HBASE-24880 Remove ReplicationPeerConfigUpgrader

Closes #2266

Signed-off-by: Duo Zhang <zhangduo@apache.org>
Signed-off-by: Jan Hentschel <jan.hentschel@ultratendency.com>
Signed-off-by: Viraj Jasani <vjasani@apache.org>

hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java

@@ -187,7 +187,6 @@
 import org.apache.hadoop.hbase.replication.SyncReplicationState;
 import org.apache.hadoop.hbase.replication.master.ReplicationHFileCleaner;
 import org.apache.hadoop.hbase.replication.master.ReplicationLogCleaner;
-import org.apache.hadoop.hbase.replication.master.ReplicationPeerConfigUpgrader;
 import org.apache.hadoop.hbase.replication.regionserver.ReplicationStatus;
 import org.apache.hadoop.hbase.rsgroup.RSGroupAdminEndpoint;
 import org.apache.hadoop.hbase.rsgroup.RSGroupBasedLoadBalancer;
@@ -1025,13 +1024,6 @@ private void finishActiveMasterInitialization(MonitoredTask status) throws IOExc
     zombieDetector.setDaemon(true);
     zombieDetector.start();
 
-    // This is for backwards compatibility
-    // See HBASE-11393
-    status.setStatus("Update TableCFs node in ZNode");
-    ReplicationPeerConfigUpgrader tableCFsUpdater =
-        new ReplicationPeerConfigUpgrader(zooKeeper, conf);
-    tableCFsUpdater.copyTableCFs();
-
     if (!maintenanceMode) {
       // Add the Observer to delete quotas on table deletion before starting all CPs by
       // default with quota support, avoiding if user specifically asks to not load this Observer.