Reduce log level for periodic debug messages

core/src/poh_recorder.rs

@@ -80,7 +80,7 @@ impl PohRecorder {
             .map(|target_tick| {
                 // Either grace period has expired,
                 // or target tick is = grace period (i.e. poh recorder was just reset)
-                info!(
+                debug!(
                     "Current tick {}, start tick {} target {}, grace {}",
                     self.tick_height(),
                     self.start_tick,

core/src/replay_stage.rs

@@ -151,7 +151,7 @@ impl ReplayStage {
                             next_leader_slot,
                             ticks_per_slot,
                         );
-                        info!(
+                        debug!(
                             "{:?} voted and reset poh at {}. next leader slot {:?}",
                             my_id,
                             bank.tick_height(),
@@ -165,7 +165,7 @@ impl ReplayStage {
                         let poh = poh_recorder.lock().unwrap();
                         reached_leader_tick = poh.reached_leader_tick();
 
-                        info!(
+                        debug!(
                             "{:?} TPU bank inactive. poh tick {}, leader {}",
                             my_id,
                             poh.tick_height(),