See if you can find guides for “Wi-Fi card replacement” for the model that you are looking into. For guides, try https://www.ifixit.com/
If it is a simple matter of unplugging a card (like the image above), it should be easy enough to undo if something goes wrong. Then instead of replacing the Wi-Fi card, just leave it out.
Is this related to the new laws in Europe? I remember seeing something about Facebook introducing a paid tier