[TD] Gui, A*-C*: remove unused includes

- also sort includes
- also an addition to precompiled header
- TaskCenterLine: remove unused code that interferes with used code with the same name

src/Mod/TechDraw/Gui/AppTechDrawGuiPy.cpp

@@ -22,31 +22,18 @@
 
 #include "PreCompiled.h"
 
-#include <CXX/Extensions.hxx>
-#include <CXX/Objects.hxx>
-
-#include <Base/Console.h>
-#include <Base/PyObjectBase.h>
-#include <Base/Exception.h>
-#include <Base/FileInfo.h>
-#include <Base/GeometryPyCXX.h>
-#include <Base/Vector3D.h>
-#include <Base/VectorPy.h>
-
 #include <App/Document.h>
-#include <App/DocumentPy.h>
 #include <App/DocumentObject.h>
 #include <App/DocumentObjectPy.h>
-#include <App/Material.h>
+#include <Base/Console.h>
+#include <Base/Exception.h>
+#include <Base/FileInfo.h>
 #include <Gui/Application.h>
 #include <Gui/Document.h>
 #include <Gui/ViewProvider.h>
 #include <Gui/PythonWrapper.h>
-
 #include <Mod/Part/App/OCCError.h>
 #include <Mod/TechDraw/App/DrawPage.h>
-#include <Mod/TechDraw/App/DrawView.h>
-#include <Mod/TechDraw/App/DrawUtil.h>
 #include <Mod/TechDraw/App/DrawViewPy.h>  // generated from DrawViewPy.xml
 
 #include "MDIViewPage.h"
@@ -54,6 +41,7 @@
 #include "ViewProviderPage.h"
 #include "ViewProviderDrawingView.h"
 
+
 namespace TechDrawGui {
 
 class Module : public Py::ExtensionModule<Module>