Remove wrong comments

Author: jfarcand

src/test/java/com/ning/http/client/async/ListenableFutureTest.java

@@ -29,11 +29,6 @@
 
 import static org.testng.Assert.assertEquals;
 
-/**
- * Tests case where response doesn't have body.
- *
- * @author Hubert Iwaniuk
- */
 public abstract class ListenableFutureTest extends AbstractBasicTest {
 
     @Test(groups = {"standalone", "default_provider"})