Remove unfree from system

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

@@ -4,11 +4,13 @@
     programs.mangohud.enable = true;
     # These options exist in Nixlang, but the order is not respected.
     xdg.configFile."MangoHud/MangoHud.conf".text = ''
-      table_columns=2
-      frametime=0
-      legacy_layout=0
-      font_scale=0.80
-      background_alpha=0.25
+      table_columns = 2
+      frametime = 0
+      legacy_layout = 0
+      font_scale = 0.80
+      background_alpha = 0.25
+
+      fps_limit = 60
       
       fps
       fps_color_change

modules/system/programs/gaming/default.nix

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

modules/system/settings/nix/default.nix

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