Don't pass leaves() to Overseer::builder() (#2275)

* Don't pass `leaves()` to `Overseer::builder()`

This is a companion for https://github.com/paritytech/polkadot/pull/6727

* update lockfile for {"substrate", "polkadot"}

---------

Co-authored-by: parity-processbot <>

cumulus/client/relay-chain-minimal-node/src/collator_overseer.rs

@@ -92,7 +92,6 @@ fn build_overseer<'a>(
 	(Overseer<SpawnGlue<sc_service::SpawnTaskHandle>, Arc<BlockChainRpcClient>>, OverseerHandle),
 	Error,
 > {
-	let leaves = Vec::new();
 	let metrics = <OverseerMetrics as MetricsTrait>::register(registry)?;
 	let spawner = SpawnGlue(spawner);
 	let network_bridge_metrics: NetworkBridgeMetrics = Metrics::register(registry)?;
@@ -146,11 +145,6 @@ fn build_overseer<'a>(
 		.dispute_coordinator(DummySubsystem)
 		.dispute_distribution(DummySubsystem)
 		.chain_selection(DummySubsystem)
-		.leaves(Vec::from_iter(
-			leaves
-				.into_iter()
-				.map(|BlockInfo { hash, parent_hash: _, number }| (hash, number)),
-		))
 		.activation_external_listeners(Default::default())
 		.span_per_active_leaf(Default::default())
 		.active_leaves(Default::default())