[imp] straneg tables database

[Chuck Hagenbuch]

Quoting Antoine Jacoutot <ajacoutot at lphp.org>:

> It does not look like it contains anything.
> I'll wait before deleting it to see if someone knows what table is that.

horde_categories_categories is from a prior Categories schema. It's not used
anymore.

-chuck

--
Charles Hagenbuch, <chuck at horde.org>
The alligators were there, too, in a bathtub inside the house.