media: uvcvideo: Cleanup version-specific mapping

media: uvcvideo: Cleanup version-specific mapping

We do not have more version specific mappings. Let's remove this code
for now. It can be easily reverted later if needed.

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Ricardo Ribalda <ribalda@chromium.org>