Revert "Do not forcibly enable Glance multiple locations for RBD backend"
Revert "Do not forcibly enable Glance multiple locations for RBD backend"

This reverts commit e8de3ae13d48f940d8c1e0622b7285753032bbd9.

Change-Id: I32955ff96dbb723c7400619daf7dbe023abbdf32
Closes-Bug: 1842938

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