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: I2226881d18e69bf25ad93ee8b8db67248e14f697

swiftstack/swift,tipabu/swift,tipabu/swift,swiftstack/swift,openstack/swift,smerritt/swift,matthewoliver/swift,smerritt/swift,smerritt/swift,tipabu/swift,matthewoliver/swift,openstack/swift,tipabu/swift,matthewoliver/swift,swiftstack/swift,matthewoliver/swift,openstack/swift,openstack/swift,smerritt/swift