Explicitly configure credentials used by ironic to access other services
Explicitly configure credentials used by ironic to access other services

Using keystone_authtoken credentials for this purpose is deprecated, and also
prevents ironic-conductor from being used as a separate role.

Also remove neutron_url, it can be fetched from the catalog instead.

Change-Id: I12822568cb4db31808aec5fd407d71fe4b7b09e0
Depends-On: I21180678bec911f1be36e3b174bae81af042938c
Partial-Bug: #1661250

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