Removed unused LOAD_BALANCER_STACK_NAME variable

Change-Id: I7b79c0df68f87ebcf9dd7effa5608cbe3b310c75
diff --git a/dual-primary/setup.env.template b/dual-primary/setup.env.template
index 8f76af9..35562da 100644
--- a/dual-primary/setup.env.template
+++ b/dual-primary/setup.env.template
@@ -14,7 +14,6 @@
 SERVICE_REPLICA_STACK_NAME:=$(AWS_PREFIX)-service-replica
 DNS_ROUTING_STACK_NAME:=$(AWS_PREFIX)-dns-routing
 DASHBOARD_STACK_NAME:=$(AWS_PREFIX)-dashboard
-LOAD_BALANCER_STACK_NAME:=$(AWS_PREFIX)-load-balancer
 HOSTED_ZONE_NAME:=yourcompany.com
 PRIMARY1_SUBDOMAIN:=$(AWS_PREFIX)-primary-1.gerrit-demo
 PRIMARY2_SUBDOMAIN:=$(AWS_PREFIX)-primary-2.gerrit-demo