Remove commented lines from biome definitions

mods/default/mapgen.lua

@@ -921,7 +921,6 @@ function default.register_biomes(upper_limit)
 		node_stone = "default:cave_ice",
 		node_water_top = "default:ice",
 		depth_water_top = 10,
-		--node_water = "",
 		node_river_water = "default:ice",
 		node_riverbed = "default:gravel",
 		depth_riverbed = 2,
@@ -938,11 +937,8 @@ function default.register_biomes(upper_limit)
 		depth_top = 1,
 		node_filler = "default:sand",
 		depth_filler = 3,
-		--node_stone = "",
 		node_water_top = "default:ice",
 		depth_water_top = 10,
-		--node_water = "",
-		--node_river_water = "",
 		y_max = -9,
 		y_min = -112,
 		heat_point = 0,
@@ -954,15 +950,6 @@ function default.register_biomes(upper_limit)
 	minetest.register_biome({
 		name = "tundra",
 		node_dust = "default:snowblock",
-		--node_top = ,
-		--depth_top = ,
-		--node_filler = ,
-		--depth_filler = ,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
 		node_riverbed = "default:gravel",
 		depth_riverbed = 2,
 		y_max = upper_limit,
@@ -973,16 +960,10 @@ function default.register_biomes(upper_limit)
 
 	minetest.register_biome({
 		name = "tundra_beach",
-		--node_dust = "",
 		node_top = "default:gravel",
 		depth_top = 1,
 		node_filler = "default:gravel",
 		depth_filler = 2,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
 		node_riverbed = "default:gravel",
 		depth_riverbed = 2,
 		y_max = 1,
@@ -993,16 +974,10 @@ function default.register_biomes(upper_limit)
 
 	minetest.register_biome({
 		name = "tundra_ocean",
-		--node_dust = "",
 		node_top = "default:sand",
 		depth_top = 1,
 		node_filler = "default:sand",
 		depth_filler = 3,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
 		node_riverbed = "default:gravel",
 		depth_riverbed = 2,
 		y_max = -4,
@@ -1020,11 +995,6 @@ function default.register_biomes(upper_limit)
 		depth_top = 1,
 		node_filler = "default:dirt",
 		depth_filler = 3,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
 		node_riverbed = "default:sand",
 		depth_riverbed = 2,
 		y_max = upper_limit,
@@ -1035,16 +1005,10 @@ function default.register_biomes(upper_limit)
 
 	minetest.register_biome({
 		name = "taiga_ocean",
-		--node_dust = "",
 		node_top = "default:sand",
 		depth_top = 1,
 		node_filler = "default:sand",
 		depth_filler = 3,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
 		node_riverbed = "default:sand",
 		depth_riverbed = 2,
 		y_max = 1,
@@ -1062,11 +1026,6 @@ function default.register_biomes(upper_limit)
 		depth_top = 1,
 		node_filler = "default:dirt",
 		depth_filler = 1,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
 		node_riverbed = "default:sand",
 		depth_riverbed = 2,
 		y_max = upper_limit,
@@ -1077,16 +1036,10 @@ function default.register_biomes(upper_limit)
 
 	minetest.register_biome({
 		name = "snowy_grassland_ocean",
-		--node_dust = "",
 		node_top = "default:sand",
 		depth_top = 1,
 		node_filler = "default:sand",
 		depth_filler = 3,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
 		node_riverbed = "default:sand",
 		depth_riverbed = 2,
 		y_max = 4,
@@ -1099,16 +1052,10 @@ function default.register_biomes(upper_limit)
 
 	minetest.register_biome({
 		name = "grassland",
-		--node_dust = "",
 		node_top = "default:dirt_with_grass",
 		depth_top = 1,
 		node_filler = "default:dirt",
 		depth_filler = 1,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
 		node_riverbed = "default:sand",
 		depth_riverbed = 2,
 		y_max = upper_limit,
@@ -1119,16 +1066,10 @@ function default.register_biomes(upper_limit)
 
 	minetest.register_biome({
 		name = "grassland_dunes",
-		--node_dust = "",
 		node_top = "default:sand",
 		depth_top = 1,
 		node_filler = "default:sand",
 		depth_filler = 2,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
 		node_riverbed = "default:sand",
 		depth_riverbed = 2,
 		y_max = 5,
@@ -1139,16 +1080,10 @@ function default.register_biomes(upper_limit)
 
 	minetest.register_biome({
 		name = "grassland_ocean",
-		--node_dust = "",
 		node_top = "default:sand",
 		depth_top = 1,
 		node_filler = "default:sand",
 		depth_filler = 3,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
 		node_riverbed = "default:sand",
 		depth_riverbed = 2,
 		y_max = 3,
@@ -1161,16 +1096,10 @@ function default.register_biomes(upper_limit)
 
 	minetest.register_biome({
 		name = "coniferous_forest",
-		--node_dust = "",
 		node_top = "default:dirt_with_coniferous_litter",
 		depth_top = 1,
 		node_filler = "default:dirt",
 		depth_filler = 3,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
 		node_riverbed = "default:sand",
 		depth_riverbed = 2,
 		y_max = upper_limit,
@@ -1181,16 +1110,10 @@ function default.register_biomes(upper_limit)
 
 	minetest.register_biome({
 		name = "coniferous_forest_dunes",
-		--node_dust = "",
 		node_top = "default:sand",
 		depth_top = 1,
 		node_filler = "default:sand",
 		depth_filler = 3,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
 		node_riverbed = "default:sand",
 		depth_riverbed = 2,
 		y_max = 5,
@@ -1201,16 +1124,10 @@ function default.register_biomes(upper_limit)
 
 	minetest.register_biome({
 		name = "coniferous_forest_ocean",
-		--node_dust = "",
 		node_top = "default:sand",
 		depth_top = 1,
 		node_filler = "default:sand",
 		depth_filler = 3,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
 		node_riverbed = "default:sand",
 		depth_riverbed = 2,
 		y_max = 3,
@@ -1223,16 +1140,10 @@ function default.register_biomes(upper_limit)
 
 	minetest.register_biome({
 		name = "deciduous_forest",
-		--node_dust = "",
 		node_top = "default:dirt_with_grass",
 		depth_top = 1,
 		node_filler = "default:dirt",
 		depth_filler = 3,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
 		node_riverbed = "default:sand",
 		depth_riverbed = 2,
 		y_max = upper_limit,
@@ -1243,16 +1154,10 @@ function default.register_biomes(upper_limit)
 
 	minetest.register_biome({
 		name = "deciduous_forest_shore",
-		--node_dust = "",
 		node_top = "default:dirt",
 		depth_top = 1,
 		node_filler = "default:dirt",
 		depth_filler = 3,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
 		node_riverbed = "default:sand",
 		depth_riverbed = 2,
 		y_max = 0,
@@ -1263,16 +1168,10 @@ function default.register_biomes(upper_limit)
 
 	minetest.register_biome({
 		name = "deciduous_forest_ocean",
-		--node_dust = "",
 		node_top = "default:sand",
 		depth_top = 1,
 		node_filler = "default:sand",
 		depth_filler = 3,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
 		node_riverbed = "default:sand",
 		depth_riverbed = 2,
 		y_max = -2,
@@ -1285,16 +1184,11 @@ function default.register_biomes(upper_limit)
 
 	minetest.register_biome({
 		name = "desert",
-		--node_dust = "",
 		node_top = "default:desert_sand",
 		depth_top = 1,
 		node_filler = "default:desert_sand",
 		depth_filler = 1,
 		node_stone = "default:desert_stone",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
 		node_riverbed = "default:sand",
 		depth_riverbed = 2,
 		y_max = upper_limit,
@@ -1305,16 +1199,11 @@ function default.register_biomes(upper_limit)
 
 	minetest.register_biome({
 		name = "desert_ocean",
-		--node_dust = "",
 		node_top = "default:sand",
 		depth_top = 1,
 		node_filler = "default:sand",
 		depth_filler = 3,
 		node_stone = "default:desert_stone",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
 		node_riverbed = "default:sand",
 		depth_riverbed = 2,
 		y_max = 4,
@@ -1327,16 +1216,11 @@ function default.register_biomes(upper_limit)
 
 	minetest.register_biome({
 		name = "sandstone_desert",
-		--node_dust = "",
 		node_top = "default:sand",
 		depth_top = 1,
 		node_filler = "default:sand",
 		depth_filler = 1,
 		node_stone = "default:sandstone",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
 		node_riverbed = "default:sand",
 		depth_riverbed = 2,
 		y_max = upper_limit,
@@ -1347,16 +1231,11 @@ function default.register_biomes(upper_limit)
 
 	minetest.register_biome({
 		name = "sandstone_desert_ocean",
-		--node_dust = "",
 		node_top = "default:sand",
 		depth_top = 1,
 		node_filler = "default:sand",
 		depth_filler = 3,
 		node_stone = "default:sandstone",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
 		node_riverbed = "default:sand",
 		depth_riverbed = 2,
 		y_max = 4,
@@ -1369,16 +1248,10 @@ function default.register_biomes(upper_limit)
 
 	minetest.register_biome({
 		name = "cold_desert",
-		--node_dust = "",
 		node_top = "default:silver_sand",
 		depth_top = 1,
 		node_filler = "default:silver_sand",
 		depth_filler = 1,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
 		node_riverbed = "default:sand",
 		depth_riverbed = 2,
 		y_max = upper_limit,
@@ -1389,16 +1262,10 @@ function default.register_biomes(upper_limit)
 
 	minetest.register_biome({
 		name = "cold_desert_ocean",
-		--node_dust = "",
 		node_top = "default:sand",
 		depth_top = 1,
 		node_filler = "default:sand",
 		depth_filler = 3,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
 		node_riverbed = "default:sand",
 		depth_riverbed = 2,
 		y_max = 4,
@@ -1411,16 +1278,10 @@ function default.register_biomes(upper_limit)
 
 	minetest.register_biome({
 		name = "savanna",
-		--node_dust = "",
 		node_top = "default:dirt_with_dry_grass",
 		depth_top = 1,
 		node_filler = "default:dirt",
 		depth_filler = 1,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
 		node_riverbed = "default:sand",
 		depth_riverbed = 2,
 		y_max = upper_limit,
@@ -1431,16 +1292,10 @@ function default.register_biomes(upper_limit)
 
 	minetest.register_biome({
 		name = "savanna_shore",
-		--node_dust = "",
 		node_top = "default:dirt",
 		depth_top = 1,
 		node_filler = "default:dirt",
 		depth_filler = 3,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
 		node_riverbed = "default:sand",
 		depth_riverbed = 2,
 		y_max = 0,
@@ -1451,16 +1306,10 @@ function default.register_biomes(upper_limit)
 
 	minetest.register_biome({
 		name = "savanna_ocean",
-		--node_dust = "",
 		node_top = "default:sand",
 		depth_top = 1,
 		node_filler = "default:sand",
 		depth_filler = 3,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
 		node_riverbed = "default:sand",
 		depth_riverbed = 2,
 		y_max = -2,
@@ -1473,16 +1322,10 @@ function default.register_biomes(upper_limit)
 
 	minetest.register_biome({
 		name = "rainforest",
-		--node_dust = "",
 		node_top = "default:dirt_with_rainforest_litter",
 		depth_top = 1,
 		node_filler = "default:dirt",
 		depth_filler = 3,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
 		node_riverbed = "default:sand",
 		depth_riverbed = 2,
 		y_max = upper_limit,
@@ -1493,16 +1336,10 @@ function default.register_biomes(upper_limit)
 
 	minetest.register_biome({
 		name = "rainforest_swamp",
-		--node_dust = "",
 		node_top = "default:dirt",
 		depth_top = 1,
 		node_filler = "default:dirt",
 		depth_filler = 3,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
 		node_riverbed = "default:sand",
 		depth_riverbed = 2,
 		y_max = 0,
@@ -1513,16 +1350,10 @@ function default.register_biomes(upper_limit)
 
 	minetest.register_biome({
 		name = "rainforest_ocean",
-		--node_dust = "",
 		node_top = "default:sand",
 		depth_top = 1,
 		node_filler = "default:sand",
 		depth_filler = 3,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
 		node_riverbed = "default:sand",
 		depth_riverbed = 2,
 		y_max = -2,
@@ -1535,16 +1366,6 @@ function default.register_biomes(upper_limit)
 
 	minetest.register_biome({
 		name = "underground",
-		--node_dust = "",
-		--node_top = "",
-		--depth_top = ,
-		--node_filler = "",
-		--depth_filler = ,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
 		y_max = -113,
 		y_min = -31000,
 		heat_point = 50,
@@ -1561,18 +1382,10 @@ function default.register_floatland_biomes(floatland_level, shadow_limit)
 
 	minetest.register_biome({
 		name = "floatland_grassland",
-		--node_dust = "",
 		node_top = "default:dirt_with_grass",
 		depth_top = 1,
 		node_filler = "default:dirt",
 		depth_filler = 1,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
-		--node_riverbed = "",
-		--depth_riverbed = ,
 		y_max = 31000,
 		y_min = floatland_level + 2,
 		heat_point = 50,
@@ -1581,18 +1394,10 @@ function default.register_floatland_biomes(floatland_level, shadow_limit)
 
 	minetest.register_biome({
 		name = "floatland_coniferous_forest",
-		--node_dust = "",
 		node_top = "default:dirt_with_coniferous_litter",
 		depth_top = 1,
 		node_filler = "default:dirt",
 		depth_filler = 3,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
-		--node_riverbed = "",
-		--depth_riverbed = ,
 		y_max = 31000,
 		y_min = floatland_level + 2,
 		heat_point = 50,
@@ -1601,18 +1406,10 @@ function default.register_floatland_biomes(floatland_level, shadow_limit)
 
 	minetest.register_biome({
 		name = "floatland_ocean",
-		--node_dust = "",
 		node_top = "default:sand",
 		depth_top = 1,
 		node_filler = "default:sand",
 		depth_filler = 3,
-		--node_stone = "",
-		--node_water_top = "",
-		--depth_water_top = ,
-		--node_water = "",
-		--node_river_water = "",
-		--node_riverbed = "",
-		--depth_riverbed = ,
 		y_max = floatland_level + 1,
 		y_min = shadow_limit,
 		heat_point = 50,