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/miscutils/man.c b/miscutils/man.c
index de6ef19..a16202f 100644
--- a/miscutils/man.c
+++ b/miscutils/man.c
@@ -6,7 +6,7 @@
 //config:	bool "man (27 kb)"
 //config:	default y
 //config:	help
-//config:	  Format and display manual pages.
+//config:	Format and display manual pages.
 
 //applet:IF_MAN(APPLET(man, BB_DIR_USR_BIN, BB_SUID_DROP))