src: Reviewed old files touched by bookmarks commit

* Removed some unused changes
* Disabled "No IDE connected" message in status bar
* Use threaded functor in status bar view

src/lib_gui/qt/element/QtStatusBar.cpp

@@ -44,7 +44,7 @@ QtStatusBar::QtStatusBar()
 
 	connect(&m_errorButton, SIGNAL(clicked()), this, SLOT(showErrors()));
 
-	m_ideStatusText.setText("No IDE connected");
+	// m_ideStatusText.setText("No IDE connected"); // don't display this until all plugins support ping
 	addWidget(&m_ideStatusText);
 }