redo pipewire module

Signed-off-by: unexplrd <unexplrd@linerds.us>

modules/nixos/desktop/gnome.nix

@@ -1,18 +1,17 @@
 {
   config,
-  pkgs,
   lib,
   ...
 }:
 with lib; let
   cfg = config.desktop.gnome;
 in {
-  imports = [./common/pipewire.nix];
   options = {
     desktop.gnome.enable =
       mkEnableOption "enable gnome desktop";
   };
   config = mkIf cfg.enable {
+    sound.pipewire.enable = true;
     services.xserver = {
       enable = true;
       displayManager.gdm.enable = true;