improve readability

Zhao Yuhang

2023-12-17 61f65f23ffee628344fb9ebb0f71e1d7c480976b

 src/widgets/widgetwindowagent.cpp

@@ -57,9 +57,6 @@
        if (!d->context->setTitleBar(w)) {
            return;
        }
#ifdef Q_OS_MACOS
        d->setupMacOSTitleBar(w);
#endif
        Q_EMIT titleBarWidgetChanged(w);
    }