cleanup nut-gc2

systems/x86_64-linux/nut-gc2/default.nix

@@ -42,10 +42,6 @@ in
 
     time.timeZone = "Asia/Singapore";
 
-    services.udev.extraRules = ''
-      ATTR{address}=="00:72:f1:f7:47:db", NAME="ens3"
-    '';
-
     networking = {
       nameservers = [
         "1.1.1.1"
@@ -104,12 +100,19 @@ in
         ];
       };
     };
-    services.openssh = {
+    services = {
+      openssh = {
         enable = true;
         settings.PasswordAuthentication = false;
       };
-
-    services.tailscale.enable = true;
+      zerotierone = {
+        enable = true;
+        joinNetworks = [ "23992b9a659115b6" ];
+      };
+      udev.extraRules = ''
+        ATTR{address}=="00:72:f1:f7:47:db", NAME="ens3"
+      '';
+    };
 
     environment.systemPackages = with pkgs; [
       git
@@ -117,10 +120,6 @@ in
       btop
     ];
 
-    services.zerotierone = {
-      enable = true;
-      joinNetworks = [ "23992b9a659115b6" ];
-    };
     system.stateVersion = "25.11";
   };
 }