busybox: changed to not enabled dmesg/mount/umount explicitly as mnmoesnye does it automaticly now

busybox.config

@@ -4,7 +4,6 @@ X CONFIG_LFS
 
 # Kernel (linux 2.6) related
 #
-X CONFIG_DMESG
 
 # Nicer interativity
 #
@@ -19,11 +18,6 @@ X CONFIG_APP_UDHCPC
 
 # mount/umount
 #
-X CONFIG_MOUNT
-X CONFIG_FEATURE_MOUNT_FLAGS
-O CONFIG_FEATURE_MOUNT_FSTAB
-X CONFIG_UMOUNT
-X CONFIG_FEATURE_UMOUNT_ALL
 
 # core commands
 #