[PD] Workbench and Command: remove unused includes

src/Mod/PartDesign/Gui/Workbench.cpp

@@ -23,26 +23,16 @@
 
 #include "PreCompiled.h"
 
-#ifndef _PreComp_
-# include <boost_bind_bind.hpp>
-# include <QMessageBox>
-#endif
-
 #include <Gui/Application.h>
 #include <Gui/Command.h>
 #include <Gui/Control.h>
 #include <Gui/MDIView.h>
-#include <Gui/MenuManager.h>
-
 #include <Mod/Sketcher/Gui/Workbench.h>
 #include <Mod/PartDesign/App/Body.h>
-#include <Mod/PartDesign/App/Feature.h>
 #include <Mod/PartDesign/App/FeatureMultiTransform.h>
 
 #include "Utils.h"
-
 #include "Workbench.h"
-
 #include "WorkflowManager.h"
 
 using namespace PartDesignGui;