log on reorganization (#1356)

substrate/core/service/src/lib.rs

@@ -34,7 +34,6 @@ extern crate substrate_client as client;
 extern crate substrate_client_db as client_db;
 extern crate parity_codec as codec;
 extern crate substrate_transaction_pool as transaction_pool;
-extern crate substrate_consensus_aura_primitives as aura_primitives;
 extern crate substrate_rpc_servers as rpc;
 extern crate target_info;
 extern crate tokio;