The solution for the initial issue would have been to have an admin active the location and perform an inventory adjustment off, so the value and quantity would have been removed (or an inventory transfer if it moved). You'll need to activate the location and do an inventory adjustment, then do a quick JE to counter the IA also.
I would first do an inventory balanced saved search on the location you're trying to remove to validate the inventory attributes so you understand the detail that is or isn't present.
If there's no bin, you can do a Bin Putaway then adjust it off. If there is a bin, then you know the info you need from the search.