HADOOP-14674. Correct javadoc for getRandomizedTempPath. Contributed by Mukul Kumar Singh.

hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/test/GenericTestUtils.java

@@ -274,7 +274,6 @@ public abstract class GenericTestUtils {
    * Get a temp path. This may or may not be relative; it depends on what the
    * {@link #SYSPROP_TEST_DATA_DIR} is set to. If unset, it returns a path
    * under the relative path {@link #DEFAULT_TEST_DATA_PATH}
-   * @param subpath sub path, with no leading "/" character
    * @return a string to use in paths
    */
   public static String getRandomizedTempPath() {