remove home.nix files, close port 21, ensure flakes and cmds enabled

hosts/desktop/home.nix

@@ -1,48 +0,0 @@
-{  
-  cfg,
-  config,
-  pkgs,
-  lib,
-  callPackage,
-  inputs,
-  ...
-}:
-
-{
-  home.username = cfg.username;
-  home.homeDirectory = cfg.homeDirectory;
-
-  imports = [
-    ./file.nix # config file out-of-store links
-    ./pkgs.nix # system pkgs
-    ./services.nix # system services
-
-    # general modules
-    ../../modules/home-manager/tmux.nix
-
-    inputs.dms.homeModules.dank-material-shell
-  ];
-
-  # You should not change this value, even if you update Home Manager. If you do
-  # want to update the value, then make sure to first check the Home Manager
-  # release notes.
-  home.stateVersion = "24.11"; # Please read the comment before changing.
-
-  home.sessionVariables = {
-    EDITOR = "focus";
-    GIT_EDITOR = "nvim";
-    NIX_SHELL_PRESERVE_PROMPT = 1;
-    NIX_CONFIG_DIR = "${cfg.homeDirectory}/nixos";
-  };
-
-  nix.settings.extra-trusted-substituters = [
-    "https://ghostty.cachix.org"
-  ];
-  nix.settings.experimental-features = [ "nix-command" "flakes" ];
-
-  # ENV SETTINGS
-  xdg.enable = true;
-
-  # Let Home Manager install and manage itself.
-  programs.home-manager.enable = true;
-}