Move elasticsearch scheme to defaults

Change-Id: I107b6f3290878bb9e5c91075544f96a45d075f43
PROD-related: PROD-30527
diff --git a/fluentd/label/notifications/notifications.yml b/fluentd/label/notifications/notifications.yml
index 5556d6e..7d1e5c6 100644
--- a/fluentd/label/notifications/notifications.yml
+++ b/fluentd/label/notifications/notifications.yml
@@ -1,6 +1,4 @@
 parameters:
-  _param:
-    elasticsearch_port: 9200
   fluentd:
     agent:
       config:
@@ -118,7 +116,8 @@
               notifications_output:
                 tag: notification
                 type: elasticsearch
-                host: ${_param:stacklight_log_address}
-                port: ${_param:elasticsearch_port}
+                host: ${_param:fluentd_elasticsearch_host}
+                port: ${_param:fluentd_elasticsearch_port}
+                scheme: ${_param:fluentd_elasticsearch_scheme}
                 es_index_name: notification
                 tag_key: Type