[media] go7007: remove current_norm

It's deprecated and replaced by g_std. Since this driver already implements
g_std the use of current_norm can just be removed.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/staging/media/go7007/go7007-v4l2.c

@@ -1834,7 +1834,6 @@ static struct video_device go7007_template = {
 	.release	= go7007_vfl_release,
 	.ioctl_ops	= &video_ioctl_ops,
 	.tvnorms	= V4L2_STD_ALL,
-	.current_norm	= V4L2_STD_NTSC,
 };
 
 int go7007_v4l2_init(struct go7007 *go)