Removed files that no longer needed

-package org.onlab.netty;
-
-import java.util.concurrent.TimeUnit;
-
-import org.onlab.metrics.MetricsComponent;
-import org.onlab.metrics.MetricsFeature;
-import org.onlab.metrics.MetricsManager;
-
-import com.codahale.metrics.Timer;
-
-// FIXME: Should be move out to test or app
-public final class SimpleClient {
-    private SimpleClient() {
-    }
-
-    public static void main(String... args) throws Exception {
-        NettyMessagingService messaging = new TestNettyMessagingService(9081);
-        MetricsManager metrics = new MetricsManager();
-        messaging.activate();
-        metrics.activate();
-        MetricsFeature feature = new MetricsFeature("timers");
-        MetricsComponent component = metrics.registerComponent("NettyMessaging");
-        Timer sendAsyncTimer = metrics.createTimer(component, feature, "AsyncSender");
-        final int warmup = 100;
-        for (int i = 0; i < warmup; i++) {
-            Timer.Context context = sendAsyncTimer.time();
-            messaging.sendAsync(new Endpoint("localhost", 8080), "simple", "Hello World".getBytes());
-            context.stop();
-        }
-        metrics.registerMetric(component, feature, "AsyncTimer", sendAsyncTimer);
-
-        Timer sendAndReceiveTimer = metrics.createTimer(component, feature, "SendAndReceive");
-        final int iterations = 1000000;
-        for (int i = 0; i < iterations; i++) {
-            Timer.Context context = sendAndReceiveTimer.time();
-            Response response = messaging
-                    .sendAndReceive(new Endpoint("localhost", 8080), "echo",
-                                    "Hello World".getBytes());
-            System.out.println("Got back:" + new String(response.get(2, TimeUnit.SECONDS)));
-            context.stop();
-        }
-        metrics.registerMetric(component, feature, "AsyncTimer", sendAndReceiveTimer);
-    }
-
-    public static class TestNettyMessagingService extends NettyMessagingService {
-        public TestNettyMessagingService(int port) throws Exception {
-            super(port);
-        }
-    }
-}

-package org.onlab.netty;
-
-//FIXME: Should be move out to test or app
-public final class SimpleServer {
-    private SimpleServer() {}
-
-    public static void main(String... args) throws Exception {
-        NettyMessagingService server = new NettyMessagingService(8080);
-        server.activate();
-        server.registerHandler("simple", new LoggingHandler());
-        server.registerHandler("echo", new EchoHandler());
-    }
-}