remove the empty line

Author: Neilxzn

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/qjournal/server/TestJournalNode.java

@@ -300,7 +300,6 @@ public void testJournal() throws Exception {
 
  }
 
-
  @Test(timeout=100000)
  public void testReturnsSegmentInfoAtEpochTransition() throws Exception {
  ch.newEpoch(1).get();