media: uvcvideo: Remove unneeded goto

The goto statement in uvc_v4l2_try_format can simply be replaced by an
direct return. There is no further user of the label, so remove it.

Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>