Remove promxy from CAPA

Towards giantswarm/roadmap#3218 this PR removes Promxy from CAPA.

.circleci/config.yml

@@ -30,21 +30,6 @@ workflows:
             tags:
               only: /^v.*/
 
-      - architect/push-to-app-collection:
-          context: architect
-          name: azure-app-collection
-          app_name: "promxy-app"
-          app_namespace: "monitoring"
-          app_collection_repo: "azure-app-collection"
-          requires:
-            - app-catalog
-          filters:
-            branches:
-              ignore: /.*/
-            tags:
-              only: /^v.*/
-
-
       - architect/push-to-app-collection:
           context: architect
           name: vsphere-app-collection
@@ -73,20 +58,6 @@ workflows:
             tags:
               only: /^v.*/
 
-      - architect/push-to-app-collection:
-          context: architect
-          name: capa-app-collection
-          app_name: "promxy-app"
-          app_namespace: "monitoring"
-          app_collection_repo: "capa-app-collection"
-          requires:
-            - app-catalog
-          filters:
-            branches:
-              ignore: /.*/
-            tags:
-              only: /^v.*/
-
       - architect/push-to-app-collection:
           context: architect
           name: capz-app-collection
@@ -100,17 +71,3 @@ workflows:
               ignore: /.*/
             tags:
               only: /^v.*/
-
-      - architect/push-to-app-collection:
-          context: architect
-          name: gcp-app-collection
-          app_name: "promxy-app"
-          app_namespace: "monitoring"
-          app_collection_repo: "gcp-app-collection"
-          requires:
-            - app-catalog
-          filters:
-            branches:
-              ignore: /.*/
-            tags:
-              only: /^v.*/