feat: Add grafana and kube-prometheus-stack HelmReleases (#758)

kubernetes/apps/cert-manager/cert-manager/app/kustomization.yaml

@@ -5,13 +5,3 @@ namespace: cert-manager
 resources:
   - ./helmrelease.yaml
   - ./prometheusrule.yaml
-configMapGenerator:
-  - name: cert-manager-dashboard
-    files:
-      - cert-manager-dashboard.json=https://gitlab.com/uneeq-oss/cert-manager-mixin/-/raw/master/dashboards/cert-manager.json
-generatorOptions:
-  disableNameSuffixHash: true
-  annotations:
-    kustomize.toolkit.fluxcd.io/substitute: disabled
-  labels:
-    grafana_dashboard: "true"