Remove excess blank line in FileUtilsTest

Change-Id: I0d617feb7baacf9917b1da605fcb75f7d4ccd184
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

org.eclipse.jgit.test/tst/org/eclipse/jgit/util/FileUtilsTest.java

@@ -137,7 +137,6 @@ public class FileUtilsTest {
 	}
 
 	@Test
-
 	public void testDeleteRecursiveEmpty() throws IOException {
 		File f1 = new File(trash, "test/test/a");
 		File f2 = new File(trash, "test/a");