revert tart agent sandbox sway idea

machines/tart-agent-sandbox/configuration.nix

@@ -13,23 +13,6 @@
 
   networking.hostName = "tart-agent-sandbox";
 
-  # Enable sway desktop
-  roles.desktop = {
-    enable = true;
-    wayland = true;
-  };
-
-  # Auto-login to sway (no display manager)
-  services.greetd = {
-    enable = true;
-    settings = {
-      default_session = {
-        command = "${pkgs.sway}/bin/sway";
-        user = "agent";
-      };
-    };
-  };
-
   # SSH access from host
   services.openssh = {
     enable = true;
@@ -43,7 +26,7 @@
   users.users.agent = {
     isNormalUser = true;
     description = "Agent sandbox user";
-    extraGroups = [ "wheel" "docker" "video" "input" ];
+    extraGroups = [ "wheel" "docker" ];
     initialPassword = "agent";
     openssh.authorizedKeys.keys = [
       # Add your SSH public key here for passwordless access