media: uvcvideo: Remove s_ctrl and g_ctrl

[ Upstream commit 0c6bcbdf ]

If we do not implement these callbacks the framework will call the
ext_ctrl callbaks instead, which are a superset of this functions.

Suggested-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Stable-dep-of: 9f582f04 ("media: uvcvideo: Check for INACTIVE in uvc_ctrl_is_accessible()")
Signed-off-by: Sasha Levin <sashal@kernel.org>