Revert "deploy alerta on grafana.hosts.hamburg.ccc.de"

This reverts commit b10d7d1592.

resources/chaosknoten/grafana/docker_compose/compose.yaml.j2

@@ -105,30 +105,9 @@ services:
       - 8011:8011
     restart: unless-stopped
 
-  alerta-mongodb:
-    image: docker.io/mongodb/mongodb-community-server:8.2-ubi9-slim
-    container_name: alerta-mongodb
-    volumes:
-      - alerta_mongodb_data:/data/db
-    ports:
-      - 27017:27017
-    restart: unless-stopped
-
-  alerta-web:
-    image: docker.io/alerta/alerta-web:9.1.0
-    container_name: alerta-web
-    volumes:
-        - ./configs/alertad.conf:/app/alertad.conf:ro
-    environment:
-      - DATABASE_URL=mongodb://alerta-mongodb:27017/alerta
-    ports:
-      - 8012:8080
-    restart: unless-stopped
-
 volumes:
   graf_data: {}
   prom_data: {}
   alertmanager_data: {}
   loki_data: {}
   mimir_data: {}
-  alerta_mongodb_data: {}