remote a unused debug message

loadingWidget.cpp

@@ -80,7 +80,6 @@ void LoadingWidget::resizeEvent(QResizeEvent* event) {
 }
 
 void LoadingWidget::updatePosition() {
-    qDebug() << "Updating position of LoadingWidget" << parentWidget();
     if (parentWidget()) {
         // 居中显示在父窗口
         QRect parentRect = parentWidget()->rect();