Updated openstack/openstack
Project: openstack/neutron  2da9dc4174c783c6ab12916d45fe0661cdbb6c37

Cisco N1kv: Remove vmnetwork delete REST call on last port delete

Remove the vm network delete call to the VSM on final port call and
ensure that vm network is deleted from the database when the port count
becomes 0.

Change-Id: I6c08a099adfce2fdba8eefec6aadeb68a780ac37
Closes-Bug: 1373547