[CI] Move queue setting to project level

Per [1].

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

Change-Id: I9cab915803bab882a12841cd40ccc6af2a78dae2

zuul.d/project.yaml

 ---
 - project:
+    queue: kayobe
     templates:
       - openstack-cover-jobs
       - openstack-python3-zed-jobs
@@ -33,7 +34,6 @@
         - kayobe-infra-vm-ubuntu-focal
 
     gate:
-      queue: kayobe
       jobs:
         - kayobe-tox-ansible-syntax
         - kayobe-tox-ansible