Drop usage of kube-rbac-proxy (#504)

Author: so-sahu

config/default/kustomization.yaml

@@ -21,7 +21,6 @@ resources:
 #- ../prometheus
 
 patchesStrategicMerge:
-  #- manager_auth_proxy_patch.yaml
 
   # Mount the controller config file for loading manager configurations
   # through a ComponentConfig type

config/default/manager_auth_proxy_patch.yaml

@@ -10,10 +10,3 @@ resources: # All RBAC will be applied under this service account in
   - cluster_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.
-  - auth_proxy_service.yaml
-  - auth_proxy_role.yaml
-  - auth_proxy_role_binding.yaml
-  - auth_proxy_client_clusterrole.yaml