Revert "aws: Add each test instance to the local DNS service"

A private DNS zone takes 2 minutes to set up and tear down,
respectively, and is unneeded because kdevops already adds the
instance hostnames to /etc/hosts.

Signed-off-by: Chuck Lever <[email protected]>

Author: chucklever

terraform/aws/main.tf

@@ -179,33 +179,3 @@ resource "aws_route_table_association" "kdevops_rt_assoc" {
   route_table_id = aws_route_table.kdevops_rt.id
 }
 
-resource "aws_vpc_dhcp_options" "kdevops_dhcp_opts" {
-  domain_name         = "kdevops.local"
-  domain_name_servers = ["AmazonProvidedDNS"]
-
-  tags = {
-    Name = "kdevops_dhcp_opts"
-  }
-}
-
-resource "aws_vpc_dhcp_options_association" "kdevops_dhcp_association" {
-  vpc_id          = aws_vpc.kdevops_vpc.id
-  dhcp_options_id = aws_vpc_dhcp_options.kdevops_dhcp_opts.id
-}
-
-resource "aws_route53_zone" "kdevops_private_zone" {
-  name = "kdevops.local"
-  vpc {
-    vpc_id = aws_vpc.kdevops_vpc.id
-  }
-}
-
-resource "aws_route53_record" "kdevops_dns_record" {
-  count   = local.kdevops_num_boxes
-  zone_id = aws_route53_zone.kdevops_private_zone.zone_id
-  name    = "${element(var.kdevops_nodes, count.index)}.kdevops.local"
-  type    = "A"
-  ttl     = "300"
-  records = ["${element(aws_instance.kdevops_instance.*.private_ip, count.index)}"]
-}
-