remove

Does anyone know which files to edit to remove columns and change the category names like the screenshot below, to only keep the Retro and Games column? And how to rename the Retro Column to PS1/PS2 Games? I've searched the MultiMan folder and extracted the MultiMan theme (.thm) but i can't find...

Every time I try to enable HEN it completely freezes my ps3. Now I would like to fully uninstall HEN and start over again. How can I fully uninstall hen (with the boot logo, enable hen on the game category, etc) so I can start over? Losing data is not a problem for me. PS3 Super Slim CECH-4004A...