Remove unneeded extension-apiserver-authentication-reader from service catalog example template.

Upstream role was added in openshift#16517.

Author: Jim Minter

examples/service-catalog/service-catalog.yaml

@@ -202,21 +202,6 @@ objects:
     namespace: kube-service-catalog
     name: service-catalog-controller
 
-- apiVersion: authorization.openshift.io/v1
-  kind: Role
-  metadata:
-    name: extension-apiserver-authentication-reader
-    namespace: ${KUBE_SYSTEM_NAMESPACE}
-  rules:
-  - apiGroups:
-    - ""
-    resourceNames:
-    - extension-apiserver-authentication
-    resources:
-    - configmaps
-    verbs:
-    - get
-
 - apiVersion: authorization.openshift.io/v1
   kind: RoleBinding
   metadata: