Less verbose logging

src/config.js

@@ -35,7 +35,7 @@ var DUMP_UNCOMPILED_ASSEMBLY = false;
 var TRACK_FILENAMES = false;
 
 var LOG_LEVEL = LOG_ALL & ~LOG_PS2 & ~LOG_PIT & ~LOG_VIRTIO & ~LOG_9P & ~LOG_PIC &
-                          ~LOG_DMA & ~LOG_SERIAL & ~LOG_NET & ~LOG_FLOPPY & ~LOG_DISK & ~LOG_VGA;
+                          ~LOG_DMA & ~LOG_SERIAL & ~LOG_NET & ~LOG_FLOPPY & ~LOG_DISK & ~LOG_VGA & ~LOG_SB16;
 
 /**
  * @const