update vulkan

modules/core/nix-settings.nix

@@ -4,4 +4,5 @@
   system.stateVersion = "25.11"; 
   nix.settings.experimental-features = [ "nix-command" "flakes" ];
   nixpkgs.config.allowUnfree = true;
+  nixpkgs.config.i686Support = true;
 }

modules/hardware/vulkan.nix

@@ -1,4 +1,4 @@
-{ lib, lib32, config, pkgs, ... }:
+{ lib, config, pkgs, ... }:
 
 {
   environment.systemPackages = with pkgs; [