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: NJan Engelhardt <jengelh@gmx.de>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NJens Axboe <jens.axboe@oracle.com>

init/Kconfig

@@ -686,6 +686,4 @@ config STOP_MACHINE
 	  Need stop_machine() primitive.
 endmenu
 
-menu "Block layer"
 source "block/Kconfig"
-endmenu