lib/cinder: Remove 'volume3' endpoint

This was needed when 'block-storage' pointed to the v2 API. This is no
longer the case (and hasn't been for some time). This is unnecessary
duplication now.

Change-Id: I00cfb56d3e54d0162b1609f4bf58814e9000c103
Signed-off-by: Stephen Finucane <stephenfin@redhat.com>
Depends-on: https://review.opendev.org/c/openstack/tempest/+/930296
1 file changed