Code cleanup (#226)

src/main/java/io/vertx/mqtt/impl/MqttClientImpl.java

@@ -50,7 +50,6 @@
 import io.vertx.core.impl.logging.Logger;
 import io.vertx.core.impl.logging.LoggerFactory;
 import io.vertx.core.net.NetClient;
-import io.vertx.core.net.NetClientOptions;
 import io.vertx.core.net.impl.VertxHandler;
 import io.vertx.mqtt.MqttClient;
 import io.vertx.mqtt.MqttClientOptions;
@@ -94,7 +93,6 @@ private enum Status { CLOSED, CONNECTING, CONNECTED, CLOSING }
   private static final int MIN_TOPIC_LEN = 1;
   private static final String PROTOCOL_NAME = "MQTT";
   private static final int PROTOCOL_VERSION = 4;
-  private static final int DEFAULT_IDLE_TIMEOUT = 0;
 
   private final VertxInternal vertx;
   private final MqttClientOptions options;
@@ -154,11 +152,6 @@ private enum Status { CLOSED, CONNECTING, CONNECTED, CLOSING }
    * @param options MQTT client options
    */
   public MqttClientImpl(Vertx vertx, MqttClientOptions options) {
-
-    // copy given options
-    NetClientOptions netClientOptions = new NetClientOptions(options);
-    netClientOptions.setIdleTimeout(DEFAULT_IDLE_TIMEOUT);
-
     this.vertx = (VertxInternal) vertx;
     this.options = new MqttClientOptions(options);
     this.keepAliveTimeout = ((options.getKeepAliveInterval() * 1000) * 3) / 2;