Prevent Ikiwiki from formatting the Unsafe Browser warning pages.
This is a follow-up on 08259afa. Due to #14962 we really only want the simple text-only HTML page without all the Ikiwiki formatting added. I'm very ignorant of Ikiwiki, so this hack is the best I could come up with so I can quickly rebuild Tails 3.3. I'm also sloppy: I verified my assumption that those .html pages would be left unprocessed... Refs: #14962
Showing with 12 additions and 3 deletions