k8s: Remove unused ClusterRole from rbac-admin

The ClusterRole is never used in the rbac-admin setup, rendering this
unnecessary.

Change-Id: I33f2e400249b00c3c1485f6b6827e0fdeff911ca

deploy/rbac-admin.yaml

@@ -1,115 +1,9 @@
+---
 apiVersion: v1
 kind: ServiceAccount
 metadata:
   name: zuul-operator
-
 ---
-
-apiVersion: rbac.authorization.k8s.io/v1
-kind: ClusterRole
-metadata:
-  name: zuul-operator
-rules:
-- apiGroups:
-  - ""
-  resources:
-  - pods
-  - pods/exec
-  - services
-  - services/finalizers
-  - endpoints
-  - persistentvolumeclaims
-  - events
-  - configmaps
-  - secrets
-  - ingresses
-  - namespaces
-  verbs:
-  - create
-  - delete
-  - get
-  - list
-  - patch
-  - update
-  - watch
-- apiGroups:
-  - apps
-  resources:
-  - deployments
-  - daemonsets
-  - replicasets
-  - statefulsets
-  verbs:
-  - create
-  - delete
-  - get
-  - list
-  - patch
-  - update
-  - watch
-- apiGroups:
-  - networking.k8s.io
-  resources:
-  - ingresses
-  verbs:
-  - create
-  - delete
-  - get
-  - list
-  - patch
-  - update
-  - watch
-- apiGroups:
-  - policy
-  resources:
-  - poddisruptionbudgets
-  verbs:
-  - create
-  - delete
-  - get
-  - list
-  - patch
-  - update
-  - watch
-- apiGroups:
-  - apps
-  resourceNames:
-  - zuul-operator
-  resources:
-  - deployments/finalizers
-  verbs:
-  - update
-- apiGroups:
-  - apps
-  resources:
-  - replicasets
-  - deployments
-  verbs:
-  - get
-- apiGroups:
-  - operator.zuul-ci.org
-  - cert-manager.io
-  - pxc.percona.com
-  resources:
-  - '*'
-  verbs:
-  - create
-  - delete
-  - get
-  - list
-  - patch
-  - update
-  - watch
-- apiGroups:
-  - monitoring.coreos.com
-  resources:
-  - servicemonitors
-  verbs:
-  - get
-  - create
-
----
-
 kind: ClusterRoleBinding
 apiVersion: rbac.authorization.k8s.io/v1
 metadata:
@@ -120,5 +14,5 @@ subjects:
   namespace: default
 roleRef:
   kind: ClusterRole
-  name: cluster-admin #zuul-operator
+  name: cluster-admin
   apiGroup: rbac.authorization.k8s.io