trim spaces in codebase

shared/backup-service.yml

@@ -62,7 +62,7 @@ rules:
   - list
   - watch
 ---
-kind:  ClusterRoleBinding 
+kind:  ClusterRoleBinding
 apiVersion: rbac.authorization.k8s.io/v1
 metadata:
   name: backup-service
@@ -72,6 +72,6 @@ subjects:
   name: backup-service
   namespace: shared
 roleRef:
-  kind:  ClusterRole 
+  kind:  ClusterRole
   name: backup-service
   apiGroup: rbac.authorization.k8s.io