[CI] Move queue setting to project level

Per [1].

[1] http://lists.zuul-ci.org/pipermail/zuul-discuss/2022-May/001801.html

Change-Id: I95f2ff931ff987a288d3db40606f7ab28fe7fe64
(cherry picked from commit ed53054)

Author: priteau

.zuul.yaml

@@ -118,6 +118,7 @@
       - ^cloudkitty/tests/unittests/.*$
 
 - project:
+    queue: cloudkitty
     templates:
       - openstack-lower-constraints-jobs
       - check-requirements
@@ -135,7 +136,6 @@
         - cloudkitty-tox-bandit:
             voting: false
     gate:
-      queue: cloudkitty
       jobs:
         - cloudkitty-tempest-full-v2-storage-influxdb
         - cloudkitty-tempest-full-v1-storage-sqlalchemy