Revert "etcm-651 added sending checkpoints to all peers"

This reverts commit ba105b1.

Author: bsuieric

src/main/scala/io/iohk/ethereum/blockchain/sync/regular/BlockBroadcast.scala

@@ -36,17 +36,13 @@ class BlockBroadcast(val etcPeerManager: ActorRef) {
     newBlock.block.header.number > peerInfo.maxBlockNumber ||
       newBlock.chainWeight > peerInfo.chainWeight
 
-  private def broadcastNewBlock(blockToBroadcast: BlockToBroadcast, peers: Map[Peer, PeerInfo]): Unit = {
-    val peerSubset: Set[Peer] = if (blockToBroadcast.block.hasCheckpoint) {
-      peers.keySet
-    } else obtainRandomPeerSubset(peers.keySet)
-    peerSubset.foreach { peer =>
+  private def broadcastNewBlock(blockToBroadcast: BlockToBroadcast, peers: Map[Peer, PeerInfo]): Unit =
+    obtainRandomPeerSubset(peers.keySet).foreach { peer =>
       val message: MessageSerializable =
         if (peers(peer).remoteStatus.protocolVersion == ProtocolVersions.PV64) blockToBroadcast.as64
         else blockToBroadcast.as63
       etcPeerManager ! EtcPeerManagerActor.SendMessage(message, peer.id)
     }
-  }
 
   private def broadcastNewBlockHash(blockToBroadcast: BlockToBroadcast, peers: Set[Peer]): Unit = peers.foreach {
     peer =>

src/main/scala/io/iohk/ethereum/blockchain/sync/regular/BlockImporter.scala

@@ -247,7 +247,7 @@ class BlockImporter(
       informFetcherOnFail: Boolean,
       internally: Boolean
   ): ImportFn = {
-    def doLog(entry: ImportMessages.LogEntry): Unit = log.info(entry._2) //log.log(entry._1, entry._2)
+    def doLog(entry: ImportMessages.LogEntry): Unit = log.info(entry._2)//log.log(entry._1, entry._2)
     importWith(
       {
         Task(doLog(importMessages.preImport()))