CI: Switch to Ussuri jobs and drop py27 one

Message ID 695008@Ie42e4f96df38888b3f64515cfe84504727d3def3
State Accepted
Headers show

Message

Marcin Juszkiewicz Nov. 19, 2019, 2:34 p.m.
Project: openstack/kolla-ansible
https://review.openstack.org/#/c/695008/

This represents an OpenStack change submitted via Gerrit. It is mirrored
here so that it is included in our statistics.