Well the factory can remove the two barrels where the win key would go, or remap it to become inactive or another key.  There would be a space there if you left the barrels out, but I’m sure someone could figure out a way to cover it and make it look nice!

As an update someone said he’d be working on a 3D printed snap on piece to cover unused barrel cutouts for those who want to use fewer keys.  Please message me if interested and I will keep you updated.