Remove api version from glance endpoint
Remove api version from glance endpoint

The tempest tests for the glance v2 api get confused when v1 is
specified in the endpoint. Doing things like requesting /v1/v2/....

Change-Id: Iaa1df8b38ba2e125aa48163748cce0500dd55e2c

rdo-management/tripleo,rdo-management/tripleo