Glance: use the puppet parameter to enable image cache feature
Glance: use the puppet parameter to enable image cache feature

This change migrates the logic to include the required classes for
image cache feature from tripleo-heat-templates to puppet-tripleo, so
that we compose all required puppet classes in puppet-tripleo.

Depends-on: https://review.opendev.org/768796
Change-Id: I6fa9146746539e60b8ca08adadd839aa8c21fa4a

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