Cinder API v1 will be removed Mitaka so we don't need to setup it be
default.
To enable Cinder API v1 you need to set CINDER_ENABLE_V1_API=True in
your Devstack config.
Related-Bug: #1467589
Depends-On: I6916eb3e4b7c85f37be8b365b11ca8b48f88177c
Change-Id: I0754e357433cfcd9fde7e937a4a1b440580b6289