f drop stale comment

Author: TheBlueMatt

lightning/src/ln/channelmanager.rs

@@ -8219,8 +8219,6 @@ where
 		const MISSING_MON_ERROR: &'static str =
 			"If we're going to claim an HTLC against a channel, we should always have *some* state for the channel, even if just the latest ChannelMonitor update_id. This failure indicates we need to claim an HTLC from a channel for which we did not have a ChannelMonitor at startup and didn't create one while running.";
 
-		// Note here that `peer_state_opt` is always `Some` if `prev_hop.counterparty_node_id` is
-		// `Some`. This is relied on in the closed-channel case below.
 		let mut peer_state_lock = per_peer_state
 			.get(&prev_hop.counterparty_node_id)
 			.map(|peer_mutex| peer_mutex.lock().unwrap())