Remove duplicate call to chain_source.stop()

This was introduced during a rebase. Here we simply drop the redundant
call.

Author: tnull

src/lib.rs

@@ -605,9 +605,6 @@ impl Node {
 
 		log_info!(self.logger, "Shutting down LDK Node with node ID {}...", self.node_id());
 
-		// Stop any runtime-dependant chain sources.
-		self.chain_source.stop();
-
 		// Stop background tasks.
 		self.stop_sender
 			.send(())
@@ -630,13 +627,13 @@ impl Node {
 		self.peer_manager.disconnect_all_peers();
 		log_debug!(self.logger, "Disconnected all network peers.");
 
+		// Wait until non-cancellable background tasks (mod LDK's background processor) are done.
+		self.runtime.wait_on_background_tasks();
+
 		// Stop any runtime-dependant chain sources.
 		self.chain_source.stop();
 		log_debug!(self.logger, "Stopped chain sources.");
 
-		// Wait until non-cancellable background tasks (mod LDK's background processor) are done.
-		self.runtime.wait_on_background_tasks();
-
 		// Stop the background processor.
 		self.background_processor_stop_sender
 			.send(())