Remove unnecessary slash from ceilometer endpoint

The last slash in ceilometer endpoint is not needed, it should be
removed because it will generate redundant slash which has been
treated as a bug in ceilometer.

Change-Id: Ifcff9b63921f5b1dda667d8e77aab22ca2928a8b
Closes-Bug: #1271556
ref: https://review.openstack.org/#/c/63279/
diff --git a/lib/ceilometer b/lib/ceilometer
index 75058c0..18f146e 100644
--- a/lib/ceilometer
+++ b/lib/ceilometer
@@ -85,9 +85,9 @@
             keystone endpoint-create \
                 --region RegionOne \
                 --service_id $CEILOMETER_SERVICE \
-                --publicurl "$CEILOMETER_SERVICE_PROTOCOL://$CEILOMETER_SERVICE_HOST:$CEILOMETER_SERVICE_PORT/" \
-                --adminurl "$CEILOMETER_SERVICE_PROTOCOL://$CEILOMETER_SERVICE_HOST:$CEILOMETER_SERVICE_PORT/" \
-                --internalurl "$CEILOMETER_SERVICE_PROTOCOL://$CEILOMETER_SERVICE_HOST:$CEILOMETER_SERVICE_PORT/"
+                --publicurl "$CEILOMETER_SERVICE_PROTOCOL://$CEILOMETER_SERVICE_HOST:$CEILOMETER_SERVICE_PORT" \
+                --adminurl "$CEILOMETER_SERVICE_PROTOCOL://$CEILOMETER_SERVICE_HOST:$CEILOMETER_SERVICE_PORT" \
+                --internalurl "$CEILOMETER_SERVICE_PROTOCOL://$CEILOMETER_SERVICE_HOST:$CEILOMETER_SERVICE_PORT"
         fi
     fi
 }