multi: use some record for payment descriptor blinding point

lnwire/update_add_htlc.go

@@ -78,19 +78,6 @@ type UpdateAddHTLC struct {
 	ExtraData ExtraOpaqueData
 }
 
-// BlingingPointOrNil returns the blinding point associated with the update, or
-// nil.
-func (c *UpdateAddHTLC) BlingingPointOrNil() *btcec.PublicKey {
-	var blindingPoint *btcec.PublicKey
-	c.BlindingPoint.WhenSome(func(b tlv.RecordT[BlindingPointTlvType,
-		*btcec.PublicKey]) {
-
-		blindingPoint = b.Val
-	})
-
-	return blindingPoint
-}
-
 // NewUpdateAddHTLC returns a new empty UpdateAddHTLC message.
 func NewUpdateAddHTLC() *UpdateAddHTLC {
 	return &UpdateAddHTLC{}