HDFS-15870. Remove unused configuration dfs.namenode.stripe.min (#2739)

Co-authored-by: tomscut <litao@bigo.sg>
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java
index 790d1aa..c29d91c 100755
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java
@@ -270,8 +270,6 @@
       = "dfs.namenode.file.close.num-committed-allowed";
   public static final int     DFS_NAMENODE_FILE_CLOSE_NUM_COMMITTED_ALLOWED_DEFAULT
       = 0;
-  public static final String  DFS_NAMENODE_STRIPE_MIN_KEY = "dfs.namenode.stripe.min";
-  public static final int     DFS_NAMENODE_STRIPE_MIN_DEFAULT = 1;
   public static final String  DFS_NAMENODE_SAFEMODE_REPLICATION_MIN_KEY =
       "dfs.namenode.safemode.replication.min";
 
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/tools/TestHdfsConfigFields.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/tools/TestHdfsConfigFields.java
index da9473c..fab4fcd 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/tools/TestHdfsConfigFields.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/tools/TestHdfsConfigFields.java
@@ -84,8 +84,6 @@
     configurationPropsToSkipCompare
         .add("dfs.namenode.tolerate.heartbeat.multiplier");
     configurationPropsToSkipCompare
-        .add("dfs.namenode.stripe.min");
-    configurationPropsToSkipCompare
         .add("dfs.namenode.replqueue.threshold-pct");
 
     // Removed by HDFS-6440