Clean up promise handling in canMoveToStore.
Clean up promise handling in canMoveToStore.

DestinyItemManager/DIM,48klocs/DIM,LouisFettet/DIM,chrisfried/DIM,delphiactual/DIM,LouisFettet/DIM,DestinyItemManager/DIM,chrisfried/DIM,48klocs/DIM,bhollis/DIM,delphiactual/DIM,bhollis/DIM,chrisfried/DIM,48klocs/DIM,DestinyItemManager/DIM,delphiactual/DIM,bhollis/DIM,DestinyItemManager/DIM,chrisfried/DIM,delphiactual/DIM,bhollis/DIM