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/console-tools/showkey.c b/console-tools/showkey.c
index 8a48524..c322ce9 100644
--- a/console-tools/showkey.c
+++ b/console-tools/showkey.c
@@ -11,7 +11,7 @@
 //config:	default y
 //config:	select PLATFORM_LINUX
 //config:	help
-//config:	  Shows keys pressed.
+//config:	Shows keys pressed.
 
 //applet:IF_SHOWKEY(APPLET(showkey, BB_DIR_USR_BIN, BB_SUID_DROP))