Don't try to predetermine the Sahara URL
Don't try to predetermine the Sahara URL

Because guess what, times have changed. When that code was written
version discovery wasn't what it is today...

Without this change, we couldn't handle unversioned endpoints in the
service catalog.

Closes-Bug: #1745083

Change-Id: Ie82e8a67b2820909625719c5f8a39ca0e1e2fbc0

openstack/sahara-dashboard,openstack/sahara-dashboard,openstack/sahara-dashboard,openstack/sahara-dashboard