Consumable: Correct bid type, should always be "banner". (prebid#1359)

adapters/consumable/consumable.go

@@ -268,8 +268,11 @@ func (a *ConsumableAdapter) MakeBids(
 			//bid.referrer = utils.getTopWindowUrl();
 
 			bidderResponse.Bids = append(bidderResponse.Bids, &adapters.TypedBid{
-				Bid:     &bid,
-				BidType: getMediaTypeForImp(getImp(bid.ImpID, internalRequest.Imp)),
+				Bid: &bid,
+				// Consumable units are always HTML, never VAST.
+				// From Prebid's point of view, this means that Consumable units
+				// are always "banners".
+				BidType: openrtb_ext.BidTypeBanner,
 			})
 		}
 	}
@@ -303,16 +306,6 @@ func extractExtensions(impression openrtb.Imp) (*adapters.ExtImpBidder, *openrtb
 	return &bidderExt, &consumableExt, nil
 }
 
-func getMediaTypeForImp(imp *openrtb.Imp) openrtb_ext.BidType {
-	// TODO: Whatever logic we need here possibly as follows - may always be Video when we bid
-	if imp.Banner != nil {
-		return openrtb_ext.BidTypeBanner
-	} else if imp.Video != nil {
-		return openrtb_ext.BidTypeVideo
-	}
-	return openrtb_ext.BidTypeVideo
-}
-
 func testConsumableBidder(testClock instant, endpoint string) *ConsumableAdapter {
 	return &ConsumableAdapter{testClock, endpoint}
 }