Drop the usage of Tor Check in our tests.
It doesn't make sense now when we use Chutney since that always means it will report that Tor is not being used. In some scenarios we used it simply because we needed *some* page (distinct from the Tails News page) and we had the image. In those cases we now use the Tails homepage instead. I tried to use dogtail, but realized that dogtail won't work for the Unsafe Browser due to