Revert "Update Stacklight models"

This reverts commit bafb4be596fc8ea7ba1c002a5b3e2838b5732438.

Change-Id: I60a78285f776030381d565530e467231890b23fb
diff --git a/classes/cluster/sl_os_contrail/stacklight/server.yml b/classes/cluster/sl_os_contrail/stacklight/server.yml
index f5462ae..8697478 100755
--- a/classes/cluster/sl_os_contrail/stacklight/server.yml
+++ b/classes/cluster/sl_os_contrail/stacklight/server.yml
@@ -71,13 +71,4 @@
           type: eth
           proto: static
           address: ${_param:single_address}
-          netmask: 255.255.255.0
-  elasticsearch:
-    server:
-      heap:
-        size: 1
-  keepalived:
-    cluster:
-      instance:
-        VIP:
-          enabled: false
\ No newline at end of file
+          netmask: 255.255.255.0
\ No newline at end of file