Merge project-config linter jobs (1/2)

The new ansible lint job works fine, merge the two linter job
and use openstack-zuul-jobs-linters like we do in other config repos.

Since project-config is not self-testing, we need to do this in two
steps.

Change-Id: I6632cce0c80c61171648d5404986ae5f23228d75

zuul.d/projects.yaml

@@ -985,14 +985,13 @@
     infra-check:
       jobs:
         - build-openstack-specs-site
-        - openstack-tox-linters
+        - openstack-zuul-jobs-linters
         - project-config-dib
         - project-config-gerrit
         - project-config-grafyaml
         - project-config-infra-docs-index
         - project-config-irc-access
         - project-config-nodepool
-        - project-config-zuul-jobs-linters
         - legacy-bindep-fallback-centos-7:
             branches: master
             files:
@@ -1033,14 +1032,13 @@
       queue: project-config
       jobs:
         - build-openstack-specs-site
-        - openstack-tox-linters
+        - openstack-zuul-jobs-linters
         - project-config-dib
         - project-config-gerrit
         - project-config-grafyaml
         - project-config-infra-docs-index
         - project-config-irc-access
         - project-config-nodepool
-        - project-config-zuul-jobs-linters
         - legacy-bindep-fallback-centos-7:
             branches: master
             files: