multi: remove dead code

htlcswitch/packet.go

@@ -21,14 +21,6 @@ type htlcPacket struct {
 	// on the incoming channel.
 	incomingHTLCID uint64
 
-	// incomingHtlcAmt is the value of the *incoming* HTLC. This will be
-	// set by the link when it receives an incoming HTLC to be forwarded
-	// through the switch. Then the outgoing link will use this once it
-	// creates a full circuit add. This allows us to properly populate the
-	// forwarding event for this circuit/packet in the case the payment
-	// circuit is successful.
-	incomingHtlcAmt lnwire.MilliSatoshi
-
 	// outgoingHTLCID is the ID of the HTLC that we offered to the peer on the
 	// outgoing channel.
 	outgoingHTLCID uint64