If the medium is harvestable, I would probably take it. and start feeding them 2/1 as fast and as long as they will take it. I don't know much about your winters, but I imagine they are pretty long and cold. Another alternative might be to move the capped honey to the outside of the bottom deep, pull the 2nd deep, and leave the medium for food. Even if you did this, I would still feed them syrup to get them tipped off. Also consider, by spring, they will be up in the medium raising brood.