Replace deprecated ceilometer::agent::auth
Replace deprecated ceilometer::agent::auth

by the new ceilometer::agent::service_credentials class[1].

[1] 9a5323ad18b9bc0e15b514ea98449a3ea5d58b68

Change-Id: Ia8940ef802160d07ca5a4483ae72ef43560a2ee9

openstack/puppet-openstack-integration,openstack/puppet-openstack-integration,openstack/puppet-openstack-integration