Remove os-cloud-config from Infra

Step 3 of https://docs.openstack.org/infra/manual/drivers.html#retiring-a-project

Removing os-cloud-config from Zuul, and set the project as read only in
Gerrit.

Good bye os-cloud-config :-)

Change-Id: I8713db283ddd9dc4f0dd885476694dd8e5ed1bf3

gerrit/acls/openstack/os-cloud-config.config

@@ -0,0 +1,2 @@
+[project]
+state = read only

gerrit/projects.yaml

@@ -5622,7 +5622,6 @@
   description: Unified config handling for client libraries and programs
 - project: openstack/os-cloud-config
   description: Configure a cloud
-  acl-config: /home/gerrit2/acls/openstack/os-apply-config.config
 - project: openstack/os-collect-config
   description: Collect and cache metadata, run hooks on changes.
   acl-config: /home/gerrit2/acls/openstack/os-apply-config.config

jenkins/jobs/requirements.yaml

@@ -186,7 +186,6 @@
           export PROJECTS="openstack/os-apply-config $PROJECTS"
           export PROJECTS="openstack/os-brick $PROJECTS"
           export PROJECTS="openstack/os-client-config $PROJECTS"
-          export PROJECTS="openstack/os-cloud-config $PROJECTS"
           export PROJECTS="openstack/os-collect-config $PROJECTS"
           export PROJECTS="openstack/os-net-config $PROJECTS"
           export PROJECTS="openstack/os-refresh-config $PROJECTS"

zuul/layout.yaml

@@ -14451,11 +14451,6 @@ projects:
       - gate-shade-dsvm-functional-libs-nv
       - gate-osc-dsvm-functional-tips-ubuntu-xenial-nv
 
-  - name: openstack/os-cloud-config
-    template:
-      - name: merge-check
-      - name: noop-jobs
-
 #TODO: add docs
   - name: openstack/os-collect-config
     template: