Remove this test from smoke, because it does not work for:
mitaka, newton, ocata

Change-Id: I154037ac3e05141cd6d24e64ca870932476ba350
diff --git a/heat_tempest_plugin/tests/api/gabbits/stacks.yaml b/heat_tempest_plugin/tests/api/gabbits/stacks.yaml
index 28bb442..f66aa0d 100644
--- a/heat_tempest_plugin/tests/api/gabbits/stacks.yaml
+++ b/heat_tempest_plugin/tests/api/gabbits/stacks.yaml
@@ -6,7 +6,7 @@
     X-Auth-Token: $ENVIRON['OS_TOKEN']
 
 tests:
-- name: stack list smoke
+- name: stack list
   GET: /stacks
   status: 200
   response_headers: