Remove unfree from system

modules/home/programs/gui/mangohud/default.nix

@@ -10,6 +10,8 @@
       font_scale = 0.80
       background_alpha = 0.25
 
+      fps_limit = 60
+      
       fps
       fps_color_change
       ram

modules/system/programs/gaming/default.nix

@@ -1,11 +1,7 @@
-{ config, lib, ... }:
+{ config, ... }:
 {
-  config = lib.mkIf config.system.desktop.enable {
   programs.gamemode = {
-      enable = true;
+    enable = config.system.desktop.enable;
     settings.general.renice = 10;
   };
-
-    hardware.steam-hardware.enable = true;
-  };
 }

modules/system/settings/nix/default.nix

@@ -6,6 +6,4 @@
     experimental-features = [ "nix-command" "flakes" ];
     auto-optimise-store = true;
   };
-
-  nixpkgs.config.allowUnfree = true;
 }