Use flux kustomization for metallb depends

cluster/core/networking/metallb/app/kustomization.yaml

@@ -3,4 +3,3 @@ kind: Kustomization
 resources:
 - ./namespace.yaml
 - ./helm-release.yaml
-- ./metallb-static-ips.yaml

cluster/core/networking/metallb/app/namespace.yaml

@@ -0,0 +1,6 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: metallb-system
+  labels:
+    name: metallb-system

cluster/core/networking/metallb/config/kustomization.yaml

@@ -0,0 +1,4 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+- ./metallb-static-ips.yaml

cluster/core/networking/metallb/ks.yaml

@@ -0,0 +1,38 @@
+---
+apiVersion: kustomize.toolkit.fluxcd.io/v1beta2
+kind: Kustomization
+metadata:
+  name: cluster-core-metallb
+  namespace: flux-system
+spec:
+  path: ./cluster/core/networking/metallb/app
+  prune: true
+  sourceRef:
+    kind: GitRepository
+    name: flux-system
+  healthChecks:
+    - apiVersion: helm.toolkit.fluxcd.io/v2beta1
+      kind: HelmRelease
+      name: metallb
+      namespace: metallb-system
+  interval: 30m
+  retryInterval: 1m
+  timeout: 3m
+---
+apiVersion: kustomize.toolkit.fluxcd.io/v1beta2
+kind: Kustomization
+metadata:
+  name: cluster-core-metallb-config
+  namespace: flux-system
+spec:
+  dependsOn:
+    - name: cluster-apps-metallb
+  path: ./cluster/core/networking/metallb/config
+  prune: true
+  sourceRef:
+    kind: GitRepository
+    name: flux-system
+  wait: true
+  interval: 30m
+  retryInterval: 1m
+  timeout: 3m

cluster/core/networking/metallb/namespace.yaml

@@ -1,4 +0,0 @@
-apiVersion: v1
-kind: Namespace
-metadata:
-  name: metallb-system