Fix for multi-code promos - don't copy usage_limit
Fix for multi-code promos - don't copy usage_limit

xuewenfei/solidus,grzlus/solidus,devilcoders/solidus,jsurdilla/solidus,pervino/solidus,ckk-scratch/solidus,jordan-brough/solidus,grzlus/solidus,pervino/solidus,jsurdilla/solidus,devilcoders/solidus,Arpsara/solidus,lsirivong/solidus,xuewenfei/solidus,lsirivong/solidus,jordan-brough/solidus,athal7/solidus,lsirivong/solidus,jordan-brough/solidus,richardnuno/solidus,Arpsara/solidus,scottcrawford03/solidus,Arpsara/solidus,jordan-brough/solidus,xuewenfei/solidus,devilcoders/solidus,bonobos/solidus,athal7/solidus,ckk-scratch/solidus,xuewenfei/solidus,scottcrawford03/solidus,forkata/solidus,athal7/solidus,forkata/solidus,ckk-scratch/solidus,bonobos/solidus,athal7/solidus,pervino/solidus,jsurdilla/solidus,devilcoders/solidus,pervino/solidus,Senjai/solidus,scottcrawford03/solidus,Senjai/solidus,jsurdilla/solidus,ckk-scratch/solidus,bonobos/solidus,Arpsara/solidus,grzlus/solidus,bonobos/solidus,grzlus/solidus,richardnuno/solidus,lsirivong/solidus,forkata/solidus,richardnuno/solidus,forkata/solidus,scottcrawford03/solidus,Senjai/solidus,Senjai/solidus,richardnuno/solidus