overlays: Fix allowUnfree

modules/host.nix

@@ -131,6 +131,8 @@ let
     fonts.fonts = with pkgs; [
       # CJK fonts
       source-han-sans source-han-serif
+      # Coding fonts
+      source-code-pro
     ];
 
     # We don't tolerate non-free software, except for Steam and Linux firmware
@@ -139,7 +141,6 @@ let
       "steam" "steam-original" "steam-runtime"
       "discord"
     ];
-    nixpkgs.config.allowUnfree = true;
 
     services = {
       connman = {