Whole bunch of materials to delete.

[Justanother1]

Easiest way is to export an object, start a new file, and re-import it! ... I run into this a lot when I mess with Daz models, and it's worse if you have more than one! ... I've already remapped Genesis UV's for a single texture, but I have to do the Mats every time. The Selection Groups window can help for combining them, but you're still stuck with the leftovers .....