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/networking/slattach.c b/networking/slattach.c
index 3be5bd2..71b5bf4 100644
--- a/networking/slattach.c
+++ b/networking/slattach.c
@@ -17,8 +17,8 @@
 //config:	default y
 //config:	select PLATFORM_LINUX
 //config:	help
-//config:	  slattach is a small utility to attach network interfaces to serial
-//config:	  lines.
+//config:	slattach is a small utility to attach network interfaces to serial
+//config:	lines.
 
 //applet:IF_SLATTACH(APPLET(slattach, BB_DIR_SBIN, BB_SUID_DROP))