f Drop unnecessary payment hash update for duplicates

Author: tnull

src/event.rs

@@ -447,7 +447,6 @@ where
 						self.channel_manager.fail_htlc_backwards(&payment_hash);
 
 						let update = PaymentDetailsUpdate {
-							hash: Some(Some(payment_hash)),
 							status: Some(PaymentStatus::Failed),
 							..PaymentDetailsUpdate::new(payment_id)
 						};