[SEBA-165] hide backend and policy_status for services which doesn't have those

Change-Id: Ia360739a77fee5b168962bf3f012f1eae9713772
diff --git a/src/app/datasources/rest/modeldefs.rest.ts b/src/app/datasources/rest/modeldefs.rest.ts
index f4d935c..078eede 100644
--- a/src/app/datasources/rest/modeldefs.rest.ts
+++ b/src/app/datasources/rest/modeldefs.rest.ts
@@ -33,6 +33,8 @@
   app: string;
   description: string;
   verbose_name: string;
+  sync_implemented?: string;
+  policy_implemented?: string;
 }
 
 export interface IXosModeldefsService {