Revert "Switch to Ussuri release of ovn-octavia-provider source tarball"
Revert "Switch to Ussuri release of ovn-octavia-provider source tarball"

Ussuri release. Standard process per [1].

[1] https://docs.openstack.org/kolla/latest/contributor/release-management.html

This reverts commit d9baa171bd1e3ba492f0870715f780a03c0699ef.

Change-Id: I266cc411248804ea4e6693ff768d546e2b56fb37

stackforge/kolla,stackforge/kolla,openstack/kolla,openstack/kolla,stackforge/kolla