No need to throw exception hostnameVerifier failure, close AsyncHttpClient#715

Author: Stephane Landelle

src/main/java/com/ning/http/client/providers/netty/request/NettyConnectListener.java

@@ -113,7 +113,6 @@ public void operationComplete(ChannelFuture handshakeFuture) throws Exception {
                             abortChannelPreemption(poolKey);
                             ConnectException exception = new ConnectException("HostnameVerifier exception");
                             future.abort(exception);
-                            throw exception;
                         }
                     }
                 }