ceilometer setup incorrectly sets notification_topics

drop glance_notifications from notification_topics in ceilometer setup

Change-Id: Ib18b4193af9df925b4ce4dbe3faf4c6a756ed03f
Fixes:Bug #1178704
diff --git a/lib/ceilometer b/lib/ceilometer
index 1c289fd..b165a8f 100644
--- a/lib/ceilometer
+++ b/lib/ceilometer
@@ -70,7 +70,7 @@
 
     iniset_rpc_backend ceilometer $CEILOMETER_CONF DEFAULT
 
-    iniset $CEILOMETER_CONF DEFAULT notification_topics 'notifications,glance_notifications'
+    iniset $CEILOMETER_CONF DEFAULT notification_topics 'notifications'
     iniset $CEILOMETER_CONF DEFAULT verbose True
 
     # Install the policy file for the API server