Move Nix files back to the root of the project

nix/modules/home-manager/desktop/dwm.nix

@@ -1,38 +0,0 @@
-{
-  config,
-  lib,
-  pkgs,
-  ...
-}:
-
-with lib;
-
-{
-  options.homeManagerModules.dwm.enable = mkEnableOption "Enable dwm";
-
-  config = mkIf config.homeManagerModules.dwm.enable {
-    home = {
-      file."${config.home.sessionVariables.XINITRC}".text = ''
-        systemctl --user import-environment DISPLAY
-
-        poweralertd -s &
-
-        setbg &
-
-        systemctl --user start dwm-status &
-
-        exec dwm
-      '';
-
-      sessionVariables = {
-        XINITRC = "${config.xdg.configHome}/X11/xinitrc";
-      };
-
-      packages = with pkgs; [
-        dunst
-        poweralertd
-        xwallpaper
-      ];
-    };
-  };
-}