[media] ov7670: remove legacy ctrl callbacks

via-camera and mcam-core were the only bridge drivers that used ov7670.
Since now they have been moved to use the ctrl framework, the old
legacy callbacks in the ov7670 can be removed.
Signed-off-by: Javier Martin <javier.martin@vista-silicon.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/i2c/ov7670.c

@@ -1504,13 +1504,6 @@ static int ov7670_s_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *r
 
 static const struct v4l2_subdev_core_ops ov7670_core_ops = {
 	.g_chip_ident = ov7670_g_chip_ident,
-	.g_ext_ctrls = v4l2_subdev_g_ext_ctrls,
-	.try_ext_ctrls = v4l2_subdev_try_ext_ctrls,
-	.s_ext_ctrls = v4l2_subdev_s_ext_ctrls,
-	.g_ctrl = v4l2_subdev_g_ctrl,
-	.s_ctrl = v4l2_subdev_s_ctrl,
-	.queryctrl = v4l2_subdev_queryctrl,
-	.querymenu = v4l2_subdev_querymenu,
 	.reset = ov7670_reset,
 	.init = ov7670_init,
 #ifdef CONFIG_VIDEO_ADV_DEBUG