config: deindent all help texts

Those two spaces after tab have no effect, and always a nuisance when editing.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/util-linux/volume_id/exfat.c b/util-linux/volume_id/exfat.c
index 7ed13a7..14bf9d6 100644
--- a/util-linux/volume_id/exfat.c
+++ b/util-linux/volume_id/exfat.c
@@ -25,9 +25,9 @@
 //config:	default y
 //config:	depends on VOLUMEID
 //config:	help
-//config:	  exFAT (extended FAT) is a proprietary file system designed especially
-//config:	  for flash drives. It has many features from NTFS, but with less
-//config:	  overhead. exFAT is used on most SDXC cards for consumer electronics.
+//config:	exFAT (extended FAT) is a proprietary file system designed especially
+//config:	for flash drives. It has many features from NTFS, but with less
+//config:	overhead. exFAT is used on most SDXC cards for consumer electronics.
 
 #include "volume_id_internal.h"