minor clean up

Author: slandelle

providers/netty3/src/main/java/org/asynchttpclient/netty/handler/WebSocketProtocol.java

@@ -193,7 +193,7 @@ public void onError(NettyResponseFuture<?> future, Throwable e) {
 
     @Override
     public void onClose(NettyResponseFuture<?> future) {
-        logger.trace("onClose {}");
+        logger.trace("onClose");
 
         try {
             WebSocketUpgradeHandler h = (WebSocketUpgradeHandler) future.getAsyncHandler();

providers/netty4/src/main/java/org/asynchttpclient/netty/handler/WebSocketProtocol.java

@@ -203,7 +203,7 @@ public void onError(NettyResponseFuture<?> future, Throwable e) {
 
     @Override
     public void onClose(NettyResponseFuture<?> future) {
-        logger.trace("onClose {}");
+        logger.trace("onClose");
 
         try {
             WebSocketUpgradeHandler h = (WebSocketUpgradeHandler) future.getAsyncHandler();