t2-iso-minimal, t2-iso-gnome: switch to wpa_supplicant from iwd

See kekrby/nixos-hardware@8a8b616 for the rationale.

Author: kekrby

flake.lock

@@ -10,11 +10,6 @@
   # ZFS is broken and prevents building without this
   nixpkgs.config.allowBroken = true;
 
-  # iwd is preferred because wpa_supplicant does not work well (though wpa_cli seems to work fine for some reason)
-  # wpa_supplicant is enabled by a module imported by the installation CD module so it is turned off so that it does not conflict with iwd
-  networking.wireless.iwd.enable = true;
-  networking.wireless.enable = false;
-
   environment.systemPackages = with pkgs; [
     vim 
   ];