Update Elasticsearch repo

Change-Id: I2a61dc0b49b8ae5940278e36c640ae5052ce01fe
diff --git a/classes/cluster/sl-k8s-contrail/stacklight/server.yml b/classes/cluster/sl-k8s-contrail/stacklight/server.yml
index 99142b0..06e6293 100644
--- a/classes/cluster/sl-k8s-contrail/stacklight/server.yml
+++ b/classes/cluster/sl-k8s-contrail/stacklight/server.yml
@@ -1,6 +1,6 @@
 classes:
 - system.linux.system.repo.influxdb
-- system.linux.system.repo.tcp_elastic
+- system.linux.system.repo.elasticsearch
 # Needed to install Galera packages
 - system.linux.system.repo.mcp.openstack
 - system.docker.host