Merge pull request #4821 from nextcloud/bugfix/opengl-context-failure

Fix crash: 'Failed to create OpenGL context'.

src/gui/main.cpp

@@ -58,9 +58,6 @@ void warnSystray()
 
 int main(int argc, char **argv)
 {
-    qputenv("QTWEBENGINE_CHROMIUM_FLAGS", "--disable-gpu --no-sandbox");
-    QCoreApplication::setAttribute(Qt::AA_UseSoftwareOpenGL, true);
-
 #ifdef Q_OS_WIN
     SetDllDirectory(L"");
 #endif