Move elasticsearch scheme to defaults

Change-Id: I107b6f3290878bb9e5c91075544f96a45d075f43
PROD-related: PROD-30527
diff --git a/fluentd/label/notifications/audit.yml b/fluentd/label/notifications/audit.yml
index 6449e1e..da0c31a 100644
--- a/fluentd/label/notifications/audit.yml
+++ b/fluentd/label/notifications/audit.yml
@@ -45,7 +45,8 @@
               audit_output:
                 tag: audit
                 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: audit
                 tag_key: Type