kconfig: qconf: remove ->addSeparator() to menuBar

I do not understand the purpose of this ->addSeparator().
It does not make any difference.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>

scripts/kconfig/qconf.cc

@@ -1541,7 +1541,6 @@ ConfigMainWindow::ConfigMainWindow(void)
 	optionMenu->addAction(showDebugAction);
 
 	// create help menu
-	menu->addSeparator();
 	QMenu* helpMenu = menu->addMenu("&Help");
 	helpMenu->addAction(showIntroAction);
 	helpMenu->addAction(showAboutAction);