Cleanup banking stage in lieu of recent transaction forwarding changes (#4101)

core/src/tpu.rs

@@ -8,7 +8,6 @@ use crate::cluster_info::ClusterInfo;
 use crate::cluster_info_vote_listener::ClusterInfoVoteListener;
 use crate::entry::EntrySender;
 use crate::fetch_stage::FetchStage;
-use crate::leader_schedule_cache::LeaderScheduleCache;
 use crate::poh_recorder::{PohRecorder, WorkingBankEntries};
 use crate::service::Service;
 use crate::sigverify_stage::SigVerifyStage;
@@ -41,7 +40,6 @@ impl Tpu {
         sigverify_disabled: bool,
         blocktree: &Arc<Blocktree>,
         storage_entry_sender: EntrySender,
-        leader_schedule_cache: &Arc<LeaderScheduleCache>,
         exit: &Arc<AtomicBool>,
         genesis_blockhash: &Hash,
     ) -> Self {
@@ -74,7 +72,6 @@ impl Tpu {
             poh_recorder,
             verified_receiver,
             verified_vote_receiver,
-            leader_schedule_cache,
         );
 
         let broadcast_stage = BroadcastStage::new(