Revert r107769, r107771, r107825, r107840, r107927, r107934

Revert r107769, r107771, r107825, r107840, r107927, r107934

Title objects are meant to be dumb value objects; we shouldn't add to their internal state like this, but should be working to remove the bits already in there like the article ID.
Preloading information like this can make sense, but probably belongs in WikiPage, not Title.