examples/operator: Use default namespace for operator resources

Signed-off-by: f.medini <[email protected]>

Author: mdnfiras

examples/operator/operator.yaml

@@ -7590,13 +7590,11 @@ apiVersion: v1
 kind: ServiceAccount
 metadata:
   name: vitess-operator
-  namespace: example
 ---
 apiVersion: rbac.authorization.k8s.io/v1
 kind: Role
 metadata:
   name: vitess-operator-backup-storage
-  namespace: example
 rules:
   - apiGroups:
       - planetscale.com
@@ -7705,15 +7703,13 @@ apiVersion: rbac.authorization.k8s.io/v1
 kind: RoleBinding
 metadata:
   name: vitess-operator-backup-storage
-  namespace: example
 roleRef:
   apiGroup: rbac.authorization.k8s.io
   kind: Role
   name: vitess-operator-backup-storage
 subjects:
   - kind: ServiceAccount
     name: vitess-operator
-    namespace: example
 ---
 apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRoleBinding
@@ -7726,7 +7722,6 @@ roleRef:
 subjects:
   - kind: ServiceAccount
     name: vitess-operator
-    namespace: example
 ---
 apiVersion: scheduling.k8s.io/v1
 description: Vitess components (vttablet, vtgate, vtctld, etcd)