Cleanup deprecated nova options
Cleanup deprecated nova options

Some of the nova::network::neutron options are deprecated and are being
removed. Let's cleanup these options.

Depends-On: https://review.opendev.org/#/c/660741/
Change-Id: I28bfbd7881ef4f386aa3207b017323c989e4563d

openstack/tripleo-heat-templates,openstack/tripleo-heat-templates