[companion] Get rid of Peerset compatibility layer (#7355)

* Update `NetworkPeers` trait interface

* update lockfile for {"substrate"}

---------

Co-authored-by: parity-processbot <>

polkadot/node/network/bridge/src/tx/tests.rs

@@ -105,7 +105,13 @@ impl Network for TestNetwork {
 		Ok(())
 	}
 
-	async fn remove_from_peers_set(&mut self, _protocol: ProtocolName, _: Vec<PeerId>) {}
+	async fn remove_from_peers_set(
+		&mut self,
+		_protocol: ProtocolName,
+		_: Vec<PeerId>,
+	) -> Result<(), String> {
+		Ok(())
+	}
 
 	async fn start_request<AD: AuthorityDiscovery>(
 		&self,