remove debug include

Zhao Yuhang

2023-12-11 26cd356aa1767f9cfc1922ffc5c896bedf7c10d8

 examples/mainwindow/mainwindow.h

@@ -7,6 +7,9 @@
public:
    explicit MainWindow(QWidget *parent = nullptr);
    ~MainWindow();

protected:
    void installWindowAgent();
};

#endif // MAINWINDOW_H