Revert "expose coredns outside of the cluster"

This reverts commit 0d22f421bc.

nix/flake/kubenix/default.nix

@@ -65,32 +65,6 @@
                     loadBalancerIP: "192.168.30.128"
               '';
             };
-
-            configMaps.coredns-custom = {
-              metadata.namespace = "kube-system";
-              data."external.server" = ''
-                kubernetes.dmz {
-                  kubernetes
-                  k8s_external kubernetes.dmz
-                }
-              '';
-            };
-
-            services.kube-dns-external = {
-              metadata.namespace = "kube-system";
-
-              spec = {
-                type = "LoadBalancer";
-                loadBalancerIP = "192.168.30.133";
-                selector.k8s-app = "kube-dns";
-
-                ports = [{
-                  port = 53;
-                  targetPort = 53;
-                  protocol = "UDP";
-                }];
-              };
-            };
           };
 
           helm.releases.metallb = {

nix/modules/networking/dmz_services/dnsmasq.nix

@@ -24,7 +24,6 @@ in
   server = [
     cfg.dmz.ipv4.router
     "/kun.is/${cfg.dmz.ipv4.services}"
-    "/kubernetes.dmz/192.168.30.133"
   ];
 
   dhcp-range = [