add sets up

models/bill/bill.go

@@ -158,13 +158,6 @@ func (d *PeerOrder) SumUpBill(request *tools.APIRequest) error {
 	return nil
 }
 
-func (d *PeerOrder) AddItem(item pricing.PricedItemITF, quantity int) {
-	d.Items = append(d.Items, &PeerItemOrder{
-		Quantity: quantity,
-		Item:     item,
-	})
-}
-
 type PeerItemOrder struct {
 	Quantity int                                 `json:"quantity,omitempty" bson:"quantity,omitempty"`
 	Purchase *purchase_resource.PurchaseResource `json:"purchase,omitempty" bson:"purchase,omitempty"`