Deprecate Hyper-V integrations

Per http://lists.openstack.org/pipermail/openstack-discuss/2020-February/012646.html

Deprecates support for deploying with Hyper-V integrations.
In Victoria support for these will be removed from Kolla Ansible.

This is dictated by lack of interest and maintenance.

Change-Id: Ic214699e0e501868e453c76929eef740e92ab90f