HDFS-16282. Remove duplicate generic usage information to hdfs debug command (#3576). Contributed by daimin.

Signed-off-by: Ayush Saxena <ayushsaxena@apache.org>

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/DebugAdmin.java

@@ -459,10 +459,10 @@ private void printUsage() {
       if (!command.name.equals("help")) {
         System.out.println(command.usageText);
       }
+    }
     System.out.println();
     ToolRunner.printGenericCommandUsage(System.out);
   }
-  }
 
   public static void main(String[] argsArray) throws Exception {
     DebugAdmin debugAdmin = new DebugAdmin(new Configuration());