block/Kconfig already has its own "menuconfig" so remove these

"menu, endmenu" that did not get cleaned up in the block patch
[ http://lkml.org/lkml/2007/4/10/251 ]

Signed-off-by: Jan Engelhardt <jengelh@gmx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/init/Kconfig b/init/Kconfig
index a9e99f8..d9d878a 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -686,6 +686,4 @@
 	  Need stop_machine() primitive.
 endmenu
 
-menu "Block layer"
 source "block/Kconfig"
-endmenu