Remove ClusterRole and ClusterRoleBinding namespace specifications

These aren't namespaced

Signed-off-by: Matt Ray <github@mattray.dev>

kubernetes/opencost.yaml

@@ -22,7 +22,6 @@ apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRole
 metadata:
   name: opencost
-  namespace: opencost
 rules:
   - apiGroups:
       - ''
@@ -104,7 +103,6 @@ apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRoleBinding
 metadata:
   name: opencost
-  namespace: opencost
 roleRef:
   apiGroup: rbac.authorization.k8s.io
   kind: ClusterRole