Use dynamic mined /etc/hosts records instead of static definitions.

Fixes - PROD-14120

Change-Id: I68ead122c4a59322a8b2d985b4cf307737ec2306
diff --git a/classes/cluster/drivetrain-ha-clusters/init.yml b/classes/cluster/drivetrain-ha-clusters/init.yml
index e3a898b..634ecc6 100644
--- a/classes/cluster/drivetrain-ha-clusters/init.yml
+++ b/classes/cluster/drivetrain-ha-clusters/init.yml
@@ -1,4 +1,5 @@
 classes:
+- system.linux.network.dynamic_hosts
 - cluster.drivetrain-ha-clusters.infra
 - cluster.drivetrain-ha-clusters.cicd
 - cluster.overrides