CORD-1244 cleanup use of get_tenant/get_service

Change-Id: Iae02c3d73d64a105dadade3e64f73cad885c34fa
diff --git a/xos/api/service/exampleservice.py b/xos/api/service/exampleservice.py
index d8fe23a..467a4bd 100644
--- a/xos/api/service/exampleservice.py
+++ b/xos/api/service/exampleservice.py
@@ -36,7 +36,7 @@
     base_name = "exampleservice"
     method_name = "exampleservice"
     method_kind = "viewset"
-    queryset = ExampleService.get_service_objects().all()
+    queryset = ExampleService.objects.all()
     serializer_class = ExampleServiceSerializer
 
     @classmethod