Remove angular plugins from Grafana

Author: technowhizz

etc/kayobe/kolla.yml

@@ -339,9 +339,7 @@ kolla_build_blocks:
     ENV TOX_CONSTRAINTS_FILE=/requirements/upper-constraints.txt
   grafana_plugins_install: |
     RUN grafana-cli plugins install vonage-status-panel \
-        && grafana-cli plugins install grafana-piechart-panel \
-        && grafana-cli plugins install grafana-opensearch-datasource \
-        && grafana-cli plugins install gnocchixyz-gnocchi-datasource
+        && grafana-cli plugins install grafana-opensearch-datasource
   ironic_inspector_header: |
     ADD additions-archive /
   magnum_base_footer: |

releasenotes/notes/grafana-remove-angular-plugins-1c10e83ddb6556f4.yaml

@@ -0,0 +1,6 @@
+---
+fixes:
+  - |
+    Grafana now refuses to load AngularJS plugins. As such the
+    ``grafana-piechart-panel`` and ``gnocchixyz-gnocchi-datasource`` plugins
+    have been removed from the Grafana image.