Revert "pinwidget: allow moving widget partially outside of screen un…

…der linux (flameshot-org#2520)"

This reverts commit 850260d.
Fix for flameshot-org#2768
(but breaks another issue so dont merge upstream)

src/tools/pin/pinwidget.cpp

@@ -68,10 +68,6 @@ PinWidget::PinWidget(const QPixmap& pixmap,
       static_cast<int>(static_cast<double>(MARGIN) * devicePixelRatio);
     QRect adjusted_pos = geometry + QMargins(margin, margin, margin, margin);
     setGeometry(adjusted_pos);
-#if defined(Q_OS_LINUX)
-    setWindowFlags(Qt::X11BypassWindowManagerHint);
-#endif
-
 #if defined(Q_OS_MACOS)
     if (currentScreen != nullptr) {
         QPoint topLeft = currentScreen->geometry().topLeft();