Revert "Actually use the service domain in V3 jobs"
Revert "Actually use the service domain in V3 jobs"

Devstack code doesn't work with this, and so all devstack /
tempest jobs are now failing. This needs to be reverted,
the devstack code fixed, then reapplied.

This reverts commit 0376abf3feb3d9f1acdfc822b633208de8f2d2fa.

Change-Id: I4fdd791c6b30b1a2f5bd3a1b4b0b59c3d17a2d80

Tesora/tesora-project-config,openstack-infra/project-config,dongwenjuan/project-config,dongwenjuan/project-config,Tesora/tesora-project-config,openstack-infra/project-config