Fixing broken things, now it's ok.

BUILD

@@ -700,7 +700,7 @@ clean_a_cmd()
 		then
 			cd ${CMD_DIR}/ip/$1
 		else
-		cd ${CMD_DIR}
+			cd ${CMD_DIR}
 		fi
 	fi
 	DO_NOTHING=0

sys/src/9/k10/k8cpu.json

@@ -11,7 +11,6 @@
 	"/sys/src/cmd/srv.json",
 	"/sys/src/cmd/echo.json",
 	"/sys/src/cmd/ls.json"
-	"/sys/src/cmd/ip/ipconfig/kernel.json"
 	],
     "Pre": [
 	"cp ../../../../rc/lib/rcmain rcmain",
@@ -36,7 +35,7 @@
 	"data2c _amd64_bin_srv srv.elf.out>> k8cpu.root.c",
 	"cp ../../cmd/date.elf.out date.elf.out",
 	"strip date.elf.out",
-	"data2c _amd64_bin_date date.elf.out>> k8cpu.root.c"
+	"data2c _amd64_bin_date date.elf.out>> k8cpu.root.c",
 	"cp ../../cmd/ls.elf.out ls.elf.out",
 	"strip ls.elf.out",
 	"data2c _amd64_bin_ls ls.elf.out>> k8cpu.root.c"
@@ -53,6 +52,9 @@
 	"usbohci.c",
 	"usbuhci.c"
     ],
+    "Post": [
+	"rm *.elf.out"
+    ],
     "Env": [
 	"CONF=k8cpu"
     ]