HDDS-13842. Exit safemode rule quickly at follower for idle SCM

hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/ha/RatisUtil.java

@@ -197,11 +197,6 @@ private static int setRaftLogProperties(final RaftProperties properties,
                     ScmConfigKeys.OZONE_SCM_HA_RAFT_LOG_PURGE_GAP_DEFAULT));
     Log.setSegmentCacheNumMax(properties, 2);
 
-    // This avoids writing commit metadata to Raft Log, which can be used to recover the
-    // commit index even if a majority of servers are dead. We don't need this for StorageContainerManager,
-    // disabling this will avoid the additional disk IO.
-    Log.setLogMetadataEnabled(properties, false);
-
     return logAppenderQueueByteLimit;
   }