[CI] Move queue setting to project level

Per [1].

This also drops several failing jobs and includes a backport of a change
to fix docs build [2] (Ia6f12151be829be6d2f21b3536536697345e05f4).

[1] http://lists.zuul-ci.org/pipermail/zuul-discuss/2022-May/001801.html
[2] https://review.opendev.org/c/openstack/cloudkitty/+/860096

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

Author: priteau

.zuul.yaml

@@ -118,8 +118,8 @@
       - ^cloudkitty/tests/unittests/.*$
 
 - project:
+    queue: cloudkitty
     templates:
-      - openstack-lower-constraints-jobs
       - check-requirements
       - openstack-cover-jobs
       - openstack-python3-wallaby-jobs
@@ -135,7 +135,6 @@
         - cloudkitty-tox-bandit:
             voting: false
     gate:
-      queue: cloudkitty
       jobs:
         - cloudkitty-tempest-full-v2-storage-influxdb
         - cloudkitty-tempest-full-v1-storage-sqlalchemy

tox.ini

@@ -52,6 +52,7 @@ commands = oslopolicy-sample-generator --config-file=etc/oslo-policy-generator/c
 
 [testenv:docs]
 deps = -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/wallaby}
+       -r{toxinidir}/requirements.txt
        -r{toxinidir}/doc/requirements.txt
 commands = sphinx-build -W --keep-going -b html doc/source doc/build/html