If the original modder is around, they could reply and replace with the original units.
However, if that wasn't their intent, and there's no source files, then it's likely harder than the effort it's worth.
Think of it this way, that was a design decision by the modder and they wanted the map to be played with their custom classes.
However, if that wasn't their intent, and there's no source files, then it's likely harder than the effort it's worth.
Think of it this way, that was a design decision by the modder and they wanted the map to be played with their custom classes.