Remove LIFO Logic for sales on the AH

[Jessail-terenas (Jessail)]

Premium features are 100% against the rules

UI Add-On Development Policy

@Kaivax

All add-ons must be distributed free of charge. Developers may not create “premium” versions of add-ons with additional for-pay features, charge money to download an add-on, charge for services related to the add-on, or otherwise require some form of monetary compensation to download or access an add-on.