Remove broken service enablement for ceilometer
Remove broken service enablement for ceilometer

It's ENABLED_SERVICE, so these are completely unused.
Remove the values, the defaults work just fine, this is not needed
anymore.

Closes-Bug: #1607636
Change-Id: I67f3525c43e5c2d48a3610d7641a68939251d2cf

Tesora/tesora-project-config,Tesora/tesora-project-config,openstack-infra/project-config,openstack-infra/project-config