Remove notification flag from heat.server.single
diff --git a/heat/server/single.yml b/heat/server/single.yml
index 3c4b5f3..d097605 100644
--- a/heat/server/single.yml
+++ b/heat/server/single.yml
@@ -3,7 +3,6 @@
 parameters:
   heat:
     server:
-      notification: true
       stack_domain_admin:
         name: heat_domain_admin
         password: ${_param:heat_domain_admin_password}