Clean up duplicate includes in drivers/block/

This patch cleans up duplicate includes in
	drivers/block/
Signed-off-by: NJesper Juhl <jesper.juhl@gmail.com>
Acked-by: NStephen Rothwell <sfr@canb.auug.org.au>
Cc: Satyam Sharma <satyam.sharma@gmail.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NJens Axboe <jens.axboe@oracle.com>

drivers/block/viodasd.c

@@ -41,7 +41,6 @@
 #include <linux/dma-mapping.h>
 #include <linux/completion.h>
 #include <linux/device.h>
-#include <linux/kernel.h>
 
 #include <asm/uaccess.h>
 #include <asm/vio.h>