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/coreutils/du.c b/coreutils/du.c
index 03e31a0..947c46e 100644
--- a/coreutils/du.c
+++ b/coreutils/du.c
@@ -22,15 +22,15 @@
 //config:	bool "du (default blocksize of 512 bytes)"
 //config:	default y
 //config:	help
-//config:	  du is used to report the amount of disk space used
-//config:	  for specified files.
+//config:	du is used to report the amount of disk space used
+//config:	for specified files.
 //config:
 //config:config FEATURE_DU_DEFAULT_BLOCKSIZE_1K
 //config:	bool "Use a default blocksize of 1024 bytes (1K)"
 //config:	default y
 //config:	depends on DU
 //config:	help
-//config:	  Use a blocksize of (1K) instead of the default 512b.
+//config:	Use a blocksize of (1K) instead of the default 512b.
 
 //applet:IF_DU(APPLET(du, BB_DIR_USR_BIN, BB_SUID_DROP))