QmlDesigner: remove QuickToolBar from QmlDesigner

QuickToolBar is moved to QmlJsEditor

For some widgets and resources QmlDesigner relies now on
lib/qmleditorwidgets

src/plugins/qmldesigner/qmldesignerplugin.cpp

@@ -34,8 +34,6 @@
 #include "designmodewidget.h"
 #include "settingspage.h"
 #include "designmodecontext.h"
-#include "qmlcontextpane.h"
-
 
 #include <qmljseditor/qmljseditorconstants.h>
 
@@ -145,9 +143,8 @@ bool BauhausPlugin::initialize(const QStringList & /*arguments*/, QString *error
 
     addAutoReleasedObject(new SettingsPage);
 
-    m_settings.fromSettings(core->settings());
 
-    addAutoReleasedObject(new QmlContextPane);
+    m_settings.fromSettings(core->settings());
 
     error_message->clear();