Revert "Second take at making command-line arguments more UNIX-like + main.cpp and help cleanup"

editor/run_settings_dialog.cpp

@@ -88,5 +88,7 @@ RunSettingsDialog::RunSettingsDialog() {
 	get_ok()->set_text(TTR("Close"));
 	//get_cancel()->set_text("Close");
 
+	arguments->set_text("-l $scene");
+
 	set_title(TTR("Scene Run Settings"));
 }