CHORE(grafana): disable auto dashboard provision

- Use manual import instead of automatic provisioning
- Remove configMapGenerator for dashboards
- Remove sidecar and dashboards helm config
- Keep JSON files in dashboards/ for manual import reference

grafana/kustomization.yaml

@@ -4,91 +4,5 @@ resources:
 - vault/grafana-admin-password.yaml
 - ingress.yaml
 
-configMapGenerator:
-- name: grafana-dashboard-argocd
-  files:
-  - dashboards/argocd.json
-  options:
-    labels:
-      grafana_dashboard: "1"
-- name: grafana-dashboard-cert-manager
-  files:
-  - dashboards/cert-manager.json
-  options:
-    labels:
-      grafana_dashboard: "1"
-- name: grafana-dashboard-cloudnative-pg
-  files:
-  - dashboards/cloudnative-pg.json
-  options:
-    labels:
-      grafana_dashboard: "1"
-- name: grafana-dashboard-coredns
-  files:
-  - dashboards/coredns.json
-  options:
-    labels:
-      grafana_dashboard: "1"
-- name: grafana-dashboard-falco
-  files:
-  - dashboards/falco.json
-  options:
-    labels:
-      grafana_dashboard: "1"
-- name: grafana-dashboard-k8s-global
-  files:
-  - dashboards/kubernetes-views-global.json
-  options:
-    labels:
-      grafana_dashboard: "1"
-- name: grafana-dashboard-k8s-namespaces
-  files:
-  - dashboards/kubernetes-views-namespaces.json
-  options:
-    labels:
-      grafana_dashboard: "1"
-- name: grafana-dashboard-k8s-pods
-  files:
-  - dashboards/kubernetes-views-pods.json
-  options:
-    labels:
-      grafana_dashboard: "1"
-- name: grafana-dashboard-loki-logs
-  files:
-  - dashboards/loki-logs-app.json
-  options:
-    labels:
-      grafana_dashboard: "1"
-- name: grafana-dashboard-loki-metrics
-  files:
-  - dashboards/loki-metrics.json
-  options:
-    labels:
-      grafana_dashboard: "1"
-- name: grafana-dashboard-minio
-  files:
-  - dashboards/minio.json
-  options:
-    labels:
-      grafana_dashboard: "1"
-- name: grafana-dashboard-node-exporter
-  files:
-  - dashboards/node-exporter-full.json
-  options:
-    labels:
-      grafana_dashboard: "1"
-- name: grafana-dashboard-traefik
-  files:
-  - dashboards/traefik-custom.json
-  options:
-    labels:
-      grafana_dashboard: "1"
-- name: grafana-dashboard-trivy
-  files:
-  - dashboards/trivy-operator.json
-  options:
-    labels:
-      grafana_dashboard: "1"
-
-generatorOptions:
-  disableNameSuffixHash: true
+# Dashboard JSON files are stored in dashboards/ for manual import reference
+# Auto-provisioning disabled due to ConfigMap size limits