media: v4l: async: Drop useless list move operation

v4l2_async_unbind_subdev_one(), which is called in the line
following the list_move() operation contains list_move_tail()
for the same entry and overrides anything list_move() did.
Thus it can be removed.
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>

drivers/media/v4l2-core/v4l2-async.c

@@ -876,9 +876,6 @@ void v4l2_async_unregister_subdev(struct v4l2_subdev *sd)
 	if (sd->asc_list.next) {
 		list_for_each_entry_safe(asc, asc_tmp, &sd->asc_list,
 					 asc_subdev_entry) {
-			list_move(&asc->asc_entry,
-				  &asc->notifier->waiting_list);
-
 			v4l2_async_unbind_subdev_one(asc->notifier, asc);
 		}
 	}