Disable wheel mirror updates for afs server upgrades

We are upgrading the afs fileservers. Disable the wheel mirror jobs
during this time so that they don't interfere with the upgrades.

Change-Id: I6d051d076c736f9b34ff8d905d7ced04c7645568

zuul.d/projects.yaml

@@ -7656,16 +7656,16 @@
             branches: master
     periodic:
       jobs:
-        - publish-wheel-mirror-centos-7
+        #- publish-wheel-mirror-centos-7
-        - publish-wheel-mirror-ubuntu-bionic
+        #- publish-wheel-mirror-ubuntu-bionic
-        - publish-wheel-mirror-ubuntu-trusty
+        #- publish-wheel-mirror-ubuntu-trusty
-        - publish-wheel-mirror-ubuntu-xenial
+        #- publish-wheel-mirror-ubuntu-xenial
-        - release-wheel-mirror:
+        #- release-wheel-mirror:
-            dependencies:
+        #    dependencies:
-              - publish-wheel-mirror-centos-7
+        #      - publish-wheel-mirror-centos-7
-              - publish-wheel-mirror-ubuntu-bionic
+        #      - publish-wheel-mirror-ubuntu-bionic
-              - publish-wheel-mirror-ubuntu-trusty
+        #      - publish-wheel-mirror-ubuntu-trusty
-              - publish-wheel-mirror-ubuntu-xenial
+        #      - publish-wheel-mirror-ubuntu-xenial
         - propose-updates:
             nodeset: ubuntu-bionic
             branches: master