Manually squash Widgy's first two migrations

This pair of migrations created and then removed a bunch of stuff in
Widgy that depended on Mezzanine. Removing each create/delete pair
allows migrating Widgy without Mezzanine.

Reviewed-by: Rocky Meza <rocky@fusionbox.com>
Reviewed-by: Antoine Catton <acatton@fusionbox.com>