Zuul: Remove project name
Zuul: Remove project name

Zuul no longer requires the project-name for in-repo configuration.
Omitting it makes forking or renaming projects easier.

Change-Id: I9ea26512320eab0a154880b991910656a8651e87

stackforge/tacker,openstack/tacker,openstack/tacker,openstack/tacker,stackforge/tacker