HBASE-23715 MasterFileSystem should not create MasterProcWALs dir on … (#1078)

Signed-off-by: Josh Elser <elserj@apache.org>
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterFileSystem.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterFileSystem.java
index 21a9495..d36e525 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterFileSystem.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterFileSystem.java
@@ -39,7 +39,6 @@
 import org.apache.hadoop.hbase.fs.HFileSystem;
 import org.apache.hadoop.hbase.log.HBaseMarkers;
 import org.apache.hadoop.hbase.mob.MobConstants;
-import org.apache.hadoop.hbase.procedure2.store.wal.WALProcedureStore;
 import org.apache.hadoop.hbase.regionserver.HRegion;
 import org.apache.hadoop.hbase.replication.ReplicationUtils;
 import org.apache.hadoop.hbase.security.access.SnapshotScannerHDFSAclHelper;
@@ -144,11 +143,12 @@
         MobConstants.MOB_DIR_NAME
     };
 
+    //With the introduction of RegionProcedureStore,
+    // there's no need to create MasterProcWAL dir here anymore. See HBASE-23715
     final String[] protectedSubLogDirs = new String[] {
       HConstants.HREGION_LOGDIR_NAME,
       HConstants.HREGION_OLDLOGDIR_NAME,
       HConstants.CORRUPT_DIR_NAME,
-      WALProcedureStore.MASTER_PROCEDURE_LOGDIR,
       ReplicationUtils.REMOTE_WAL_DIR_NAME
     };
     // check if the root directory exists