deploy metallb to internal cluster and rebove ingress

cluster/metallb-operator/base/namespace.yaml

@@ -0,0 +1,13 @@
+---
+apiVersion: v1
+kind: Namespace
+metadata:
+  labels:
+    kubernetes.io/metadata.name: metallb-system
+    name: metallb-system
+    argocd.argoproj.io/managed-by: openshift-gitops-operator
+    openshift.io/cluster-monitoring: 'true'
+  name: metallb-system
+spec:
+  finalizers:
+  - kubernetes