Remove a duplicated virtio entry
Remove a duplicated virtio entry

Also sort the options alphabetically to avoid this kind of duplication
in the future.

Change-Id: Id4fa465290fd2ad77dccc6dc49cb89daf5949f18

openstack/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals,saeki-masaki/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals,saeki-masaki/openstack-manuals,gongysh2004/openstack-manual,AlekhyaMallina-Vedams/openstack-manuals,Akasurde/openstack-manuals,openstack/openstack-manuals,Akasurde/openstack-manuals,gongysh2004/openstack-manual,potsmaster/openstack-manuals,kairoaraujo/openstack-manuals,kairoaraujo/openstack-manuals,potsmaster/openstack-manuals,openstack/openstack-manuals,openstack/openstack-manuals