Deprecate Monasca and dependencies

Adds a deprecation notice for Monasca and dependent services:
Kafka, Storm, ZooKeeper.

Change-Id: Icdeb0ad7544be27f74ddcb3f70dc48bf6c31d772

releasenotes/notes/deprecate-monasca-1f83e043e0f59daa.yaml

+---
+deprecations:
+  - |
+    Deprecates support for deploying Monasca and dependent services:
+    Kafka, Storm and Zookeeper. The support will be removed in the
+    Antelope cycle.