vhost: Delete virtqueue batch_descs member

It can be deduced from "max_descs".

Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Link: https://lore.kernel.org/r/20200329113359.30960-6-eperezma@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 files changed