dm crypt: remove redundant state settings after waking up

The task status has been set to TASK_RUNNING in schedule().
No need to set again here.
Signed-off-by: Lizhe <sensor1010@163.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>

drivers/md/dm-crypt.c

@@ -1964,7 +1964,6 @@ static int dmcrypt_write(void *data)
 
 		schedule();
 
-		set_current_state(TASK_RUNNING);
 		spin_lock_irq(&cc->write_thread_lock);
 		goto continue_locked;