Use ceilometer_influxdb_password instead of stacklight

https://github.com/Mirantis/mk-lab-salt-model/pull/194
diff --git a/influxdb/database/ceilometer.yml b/influxdb/database/ceilometer.yml
index d5f86c4..8e1d9ab 100644
--- a/influxdb/database/ceilometer.yml
+++ b/influxdb/database/ceilometer.yml
@@ -14,7 +14,7 @@
         ceilometer:
           enabled: true
           name: ceilometer
-          password: ${_param:influxdb_stacklight_password}
+          password: ${_param:ceilometer_influxdb_password}
       grant:
         grant_ceilometer_all:
           enabled: true