Removing unused method

Author: Ritesh Garg

hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DataStreamer.java

@@ -608,10 +608,6 @@ private void setPipeline(DatanodeInfo[] nodes, StorageType[] storageTypes,
     this.storageIDs = storageIDs;
   }
 
-  void setAccessToken(Token<BlockTokenIdentifier> t) {
-    this.accessToken = t;
-  }
-
   /**
    * Initialize for data streaming
    */