f remove unnecessary clone

Author: arik-so

lightning/src/onion_message/messenger.rs

@@ -386,8 +386,11 @@ where
 			let node_announcement = network_graph
 				.node(&NodeId::from_pubkey(&first_node))
 				.and_then(|node_info| node_info.announcement_info.as_ref())
-				.and_then(|announcement_info| announcement_info.announcement_message().cloned())
-				.map(|node_announcement| node_announcement.contents);
+				.and_then(|announcement_info| {
+					announcement_info
+						.announcement_message()
+						.map(|node_announcement| &node_announcement.contents)
+				});
 
 			match node_announcement {
 				Some(node_announcement) if node_announcement.features.supports_onion_messages() => {