Cleanup for macOS

machines/zelus/configuration.nix

@@ -1,19 +0,0 @@
-{pkgs, ...}: {
-  nixpkgs.config.allowUnfree = true;
-
-  environment = {variables = {LANG = "en_US.UTF-8";};};
-
-  networking = {hostName = "zelus";};
-
-  # Auto upgrade nix package and the daemon service.
-  services.nix-daemon.enable = true;
-  nix.package = pkgs.nixVersions.stable;
-
-  programs.zsh = {
-    enable = true;
-    # https://github.com/nix-community/home-manager/issues/108#issuecomment-340397178
-    enableCompletion = false;
-  };
-
-  system.stateVersion = 4;
-}