[media] omap_vout: Remove an obsolete comment

This comment mentions a field that doesn't exist, and talks about
videodev.h that got removed. So, it doesn't make any sense to keep
it.

Reviewed-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/omap/omap_vout.c b/drivers/media/video/omap/omap_vout.c
index 15f8793..83de97a 100644
--- a/drivers/media/video/omap/omap_vout.c
+++ b/drivers/media/video/omap/omap_vout.c
@@ -2230,7 +2230,6 @@
 
 	strlcpy(vfd->name, VOUT_NAME, sizeof(vfd->name));
 
-	/* need to register for a VID_HARDWARE_* ID in videodev.h */
 	vfd->fops = &omap_vout_fops;
 	vfd->v4l2_dev = &vout->vid_dev->v4l2_dev;
 	mutex_init(&vout->lock);