Add two new nodes to k2, taint master node

clusters/k2/cluster.nix

@@ -1,7 +1,7 @@
 { pkgs, lib, config, ... }:
 with lib;
 let
-  cfg = config.node;
+  cfg = config.features.k8s.host;
 
   mkSANs = host: [
     host.name
@@ -94,18 +94,6 @@ let
 
   };
 in {
-  options.node = {
-    address = mkOption {
-      type = types.str;
-      default = null;
-    };
-
-    name = mkOption {
-      type = types.str;
-      default = null;
-    };
-  };
-
   config = configuration;
 
   imports = [