import zuul job settings from project-config

This is a mechanically generated patch to complete step 1 of moving
the zuul job settings out of project-config and into each project
repository.

Because there will be a separate patch on each branch, the branch
specifiers for branch-specific jobs have been removed.

Because this patch is generated by a script, there may be some
cosmetic changes to the layout of the YAML file(s) as the contents are
normalized.

See the python3-first goal document for details:
https://governance.openstack.org/tc/goals/stein/python3-first.html

Change-Id: If1a423b7844b5a5f5475a20a4f67243df02dfc3e
Story: #2002586
Task: #24341

.zuul.yaml

@@ -7,7 +7,7 @@
 
 - job:
     name: ansible-role-k8s-keystone-kubernetes-centos
-    parent:  ansible-role-k8s-base
+    parent: ansible-role-k8s-base
     nodeset: ansible-role-k8s-centos
     vars:
       coe: kubernetes
@@ -20,7 +20,7 @@
 
 - job:
     name: ansible-role-k8s-keystone-openshift-centos
-    parent:  ansible-role-k8s-base
+    parent: ansible-role-k8s-base
     nodeset: ansible-role-k8s-centos
     vars:
       coe: openshift