Remove dependency on kube-rbac-proxy.

config/rbac/auth_proxy_service.yaml

@@ -5,7 +5,7 @@ metadata:
     control-plane: controller-manager
     app.kubernetes.io/name: service
     app.kubernetes.io/instance: controller-manager-metrics-service
-    app.kubernetes.io/component: kube-rbac-proxy
+    app.kubernetes.io/component: manager
     app.kubernetes.io/created-by: jobs-manager-operator
     app.kubernetes.io/part-of: jobs-manager-operator
     app.kubernetes.io/managed-by: kustomize

config/rbac/kustomization.yaml

@@ -9,9 +9,8 @@ resources:
 - role_binding.yaml
 - leader_election_role.yaml
 - leader_election_role_binding.yaml
-# Comment the following 4 lines if you want to disable
-# the auth proxy (https://github.com/brancz/kube-rbac-proxy)
-# which protects your /metrics endpoint.
+# The following resources configure RBAC for secure metrics
+# using controller-runtime's built-in authentication/authorization.
 - auth_proxy_service.yaml
 - auth_proxy_role.yaml
 - auth_proxy_role_binding.yaml