This job uses the new validate-zone-db job in the dependent change to
run named-checkconfig over the zone.db files.
Depends-On: https://review.opendev.org/661138
Change-Id: I0853a59d1b7ec46d821d3034841a2eee3c1562ea
Zuul no longer requires the project-name for in-repo configuration.
Omitting it makes forking or renaming projects easier.
Change-Id: I08749ff82a1494585a55d084935bad435d45ae91