Comment 2 for bug 1841941

> originally discussed there https://review.opendev.org/#/c/636563/

tl;dr
centos7 + pacemaker + podman don't work together, remove Pacemaker from these jobs until centos8 is out, so we have centos8 + podman + pacemaker tested.
http://lists.openstack.org/pipermail/openstack-discuss/2019-February/002730.html