nixos-modules/microvm/optimization: remove the noXlibs setting

it breaks stuff for too many people (including myself) in unobvious ways

nixos-modules/microvm/optimization.nix

@@ -35,9 +35,6 @@ in
   };
 
   config = lib.mkIf (cfg.guest.enable && cfg.optimize.enable) {
-    # Avoids X deps in closure due to dbus dependencies
-    environment.noXlibs = lib.mkIf (!cfg.graphics.enable) (lib.mkDefault true);
-
     # The docs are pretty chonky
     documentation.enable = lib.mkDefault false;