f drop now-stale todo

Author: TheBlueMatt

lightning/src/ln/outbound_payment.rs

@@ -2185,8 +2185,6 @@ impl OutboundPayments {
 				// This could potentially lead to removing a pending payment too early,
 				// with a reorg of one block causing us to re-add the fulfilled payment on
 				// restart.
-				// TODO: We should have a second monitor event that informs us of payments
-				// irrevocably fulfilled.
 				if payment.get_mut().remove(&session_priv_bytes, Some(&path)) {
 					let payment_hash = Some(PaymentHash(Sha256::hash(&payment_preimage.0).to_byte_array()));
 					pending_events.push_back((events::Event::PaymentPathSuccessful {