perf: 优化性能

hamster-ball-server/src/main/java/cn/hamster3/mc/plugin/ball/server/connector/BallServerChannelHandler.java

@@ -13,10 +13,6 @@ import org.slf4j.LoggerFactory;
 public class BallServerChannelHandler extends SimpleChannelInboundHandler<String> {
     private static final Logger LOGGER = LoggerFactory.getLogger("BallServerChannelHandler");
 
-    public BallServerChannelHandler() {
-        super(true);
-    }
-
     @Override
     protected void channelRead0(ChannelHandlerContext context, String message) {
         if ("ping".equals(message)) {

hamster-ball-server/src/main/java/cn/hamster3/mc/plugin/ball/server/connector/BallServerChannelInitializer.java

@@ -24,9 +24,6 @@ public class BallServerChannelInitializer extends ChannelInitializer<SocketChann
     public static final List<Channel> CHANNELS = new ArrayList<>();
     private static final Logger LOGGER = LoggerFactory.getLogger("BallServerChannelInitializer");
 
-    public BallServerChannelInitializer() {
-    }
-
     public static void broadcastMessage(BallMessageInfo messageInfo) {
         String string = messageInfo.toString();
         synchronized (CHANNELS) {

hamster-ball-server/src/main/java/cn/hamster3/mc/plugin/ball/server/connector/BallServerKeepAliveHandler.java

@@ -11,10 +11,6 @@ import org.slf4j.LoggerFactory;
 public class BallServerKeepAliveHandler extends SimpleUserEventChannelHandler<IdleStateEvent> {
     private static final Logger LOGGER = LoggerFactory.getLogger("BallServerKeepAliveHandler");
 
-    public BallServerKeepAliveHandler() {
-        super(true);
-    }
-
     @Override
     protected void eventReceived(ChannelHandlerContext context, IdleStateEvent event) {
         context.close();