TEZ-4261. Fix Javadoc warnings

Signed-off-by: Jonathan Eagles <jeagles@apache.org>
diff --git a/tez-mapreduce/src/main/java/org/apache/tez/mapreduce/hadoop/DeprecatedKeys.java b/tez-mapreduce/src/main/java/org/apache/tez/mapreduce/hadoop/DeprecatedKeys.java
index b8d491a..098057b 100644
--- a/tez-mapreduce/src/main/java/org/apache/tez/mapreduce/hadoop/DeprecatedKeys.java
+++ b/tez-mapreduce/src/main/java/org/apache/tez/mapreduce/hadoop/DeprecatedKeys.java
@@ -22,7 +22,6 @@
 import java.util.HashMap;
 import java.util.Map;
 
-import org.apache.hadoop.conf.Configuration;
 import org.apache.tez.dag.api.TezConfiguration;
 import org.apache.tez.dag.library.vertexmanager.ShuffleVertexManager;
 import org.apache.tez.runtime.library.api.TezRuntimeConfiguration;
@@ -184,11 +183,6 @@
       String tezKey) {
     mrParamToTezRuntimeParamMap.put(mrKey, tezKey);
   }
-  
-  @SuppressWarnings("unused")
-  private static void _(String mrKey, String tezKey) {
-    Configuration.addDeprecation(mrKey, tezKey);
-  }
 
   public static Map<String, String> getMRToDAGParamMap() {
     return Collections.unmodifiableMap(mrParamToDAGParamMap);
diff --git a/tez-mapreduce/src/main/java/org/apache/tez/mapreduce/hadoop/MRInputHelpers.java b/tez-mapreduce/src/main/java/org/apache/tez/mapreduce/hadoop/MRInputHelpers.java
index 9c42cda..19d64a5 100644
--- a/tez-mapreduce/src/main/java/org/apache/tez/mapreduce/hadoop/MRInputHelpers.java
+++ b/tez-mapreduce/src/main/java/org/apache/tez/mapreduce/hadoop/MRInputHelpers.java
@@ -782,7 +782,7 @@
   }
 
   /**
-   * @see {@link InputContext#getDagIdentifier}
+   * @see InputContext#getDagIdentifier()
    * @param conf configuration instance
    * @return dag index
    */
@@ -802,7 +802,7 @@
   }
 
   /**
-   * * @see {@link InputContext#getTaskVertexIndex}
+   * @see InputContext#getTaskVertexIndex
    * @param conf configuration instance
    * @return vertex index
    */
@@ -822,7 +822,7 @@
   }
 
   /**
-   * @see {@link InputContext#getTaskIndex}
+   * @see InputContext#getTaskIndex
    * @param conf configuration instance
    * @return task index
    */
@@ -842,7 +842,7 @@
   }
 
   /**
-   * @see {@link InputContext#getTaskAttemptNumber}
+   * @see InputContext#getTaskAttemptNumber
    * @param conf configuration instance
    * @return task attempt index
    */
@@ -862,7 +862,7 @@
   }
 
   /**
-   * @see {@link InputContext#getInputIndex}
+   * @see InputContext#getInputIndex
    * @param conf configuration instance
    * @return input index
    */
@@ -872,7 +872,7 @@
   }
 
   /**
-   * @see {@link InputContext#getDAGName}
+   * @see InputContext#getDAGName
    * @param conf configuration instance
    * @return dag name
    */
@@ -882,7 +882,7 @@
   }
 
   /**
-   * @see {@link InputContext#getTaskVertexName}
+   * @see InputContext#getTaskVertexName
    * @param conf configuration instance
    * @return vertex name
    */
@@ -892,7 +892,7 @@
   }
 
   /**
-   * @see {@link InputContext#getSourceVertexName}
+   * @see InputContext#getSourceVertexName
    * @param conf configuration instance
    * @return source name
    */
@@ -902,7 +902,7 @@
   }
 
   /**
-   * @see {@link InputContext#getApplicationId}
+   * @see InputContext#getApplicationId
    * @param conf configuration instance
    * @return applicationId as a string
    */
@@ -912,7 +912,7 @@
   }
 
   /**
-   * @see {@link InputContext#getUniqueIdentifier}
+   * @see InputContext#getUniqueIdentifier
    * @param conf configuration instance
    * @return unique identifier for the input
    */
@@ -922,7 +922,7 @@
   }
 
   /**
-   * @see {@link InputContext#getDAGAttemptNumber}
+   * @see InputContext#getDAGAttemptNumber
    * @param conf configuration instance
    * @return attempt number
    */