[SQL] Code cleanup.

I added an unnecessary line of code in https://github.com/apache/spark/commit/13531dd97c08563e53dacdaeaf1102bdd13ef825.

My bad. Let's delete it.

Author: Yin Huai <yhuai@databricks.com>

Closes #4482 from yhuai/unnecessaryCode and squashes the following commits:

3645af0 [Yin Huai] Code cleanup.

sql/hive/src/test/scala/org/apache/spark/sql/hive/MetastoreDataSourcesSuite.scala

@@ -351,9 +351,6 @@ class MetastoreDataSourcesSuite extends QueryTest with BeforeAndAfterEach {
         |)
       """.stripMargin)
 
-    new Path("/Users/yhuai/Desktop/whatever")
-
-
     val expectedPath = catalog.hiveDefaultTableFilePath("ctasJsonTable")
     val filesystemPath = new Path(expectedPath)
     val fs = filesystemPath.getFileSystem(sparkContext.hadoopConfiguration)