Remove revocation API dependency from resource API
Remove revocation API dependency from resource API

The revocation API was listed as a dependency of the resource API,
but it was never used. If it was no longer being used, we shouldn't
make the resource API load it.

Change-Id: Ia70064dce20a0bebf7b31a6b895ea0e5a0248480
partial-bug: 1671887

openstack/keystone,openstack/keystone,rajalokan/keystone,ilay09/keystone,rajalokan/keystone,mahak/keystone,ilay09/keystone,mahak/keystone,mahak/keystone,ilay09/keystone,rajalokan/keystone,openstack/keystone