Use only noop jobs for openstack/monasca-transform

This is step 2a of the deprecation process as described in [1].
Deprecation of this repository has been anounced here [2].

https://docs.openstack.org/project-team-guide/repository.html#step-2a-use-only-noop-jobs
http://lists.openstack.org/pipermail/openstack-discuss/2020-August/016814.html

Change-Id: I39a79e90a2137651d5d9dbd0501038a6f8babbce

zuul.d/projects.yaml

@@ -3228,7 +3228,14 @@
     name: openstack/monasca-transform
     templates:
       - official-openstack-repo-jobs
-      - publish-to-pypi
+    check:
+      jobs:
+        - noop:
+            branches: master
+    gate:
+      jobs:
+        - noop:
+            branches: master
 
 - project:
     name: openstack/monasca-ui