linux-wandboard

[media] videobuf-core.h: remove input fields

Now that the input fields got removed from the userspace API,
there's no sense to keep there at the VB struct. Remove it.

Cc: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>