Move elasticsearch scheme to defaults

Change-Id: I107b6f3290878bb9e5c91075544f96a45d075f43
PROD-related: PROD-30527
diff --git a/defaults/stacklight.yml b/defaults/stacklight.yml
index e969319..625d20c 100644
--- a/defaults/stacklight.yml
+++ b/defaults/stacklight.yml
@@ -1,9 +1,10 @@
 parameters:
   _param:
     # ELK settings
-    stacklight_elasticsearch_port: 9200
     stacklight_notification_topic: stacklight_notifications
-
+    fluentd_elasticsearch_host: 127.0.0.1
+    fluentd_elasticsearch_port: 9200
+    fluentd_elasticsearch_scheme: http
     # ELK stack versions
     elasticsearch_version: 5
     kibana_version: 5