removed old stuff

nix-darwin/configuration.nix

@@ -1,16 +0,0 @@
-{ pkgs, ... }:
-
-{
-  # System-wide configuration
-  environment.systemPackages = with pkgs; [
-    # Add any system-wide packages here
-  ];
-
-  services.nix-daemon.enable = true;
-  nix.package = pkgs.nix;
-
-  system.defaults.dock.autohide = true;
-  system.defaults.finder.AppleShowAllExtensions = true;
-
-  # Add more system configurations as needed
-}