Clean up usage of the deprecated aodh::auth class
Clean up usage of the deprecated aodh::auth class

Depends-on: https://review.opendev.org/772694
Depends-on: https://review.opendev.org/773252
Change-Id: If962b8250fcbe206713bdd7628beb4d7c1e89c07

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