0024002: Overall code and build procedure refactoring -- automatic

Automatic upgrade of OCCT code by command "occt_upgrade . -nocdl":
- WOK-generated header files from inc and sources from drv are moved to src
- CDL files removed
- All packages are converted to nocdlpack

src/BRepGProp/BRepGProp_Face.cxx

@@ -12,31 +12,32 @@
 // Alternatively, this file may be used under the terms of Open CASCADE
 // commercial license or contractual agreement.
 
-#include <BRepGProp_Face.ixx>
-
-#include <TopoDS.hxx>
-
-#include <Geom2d_Line.hxx>
-#include <Geom2d_BezierCurve.hxx>
-#include <Geom2d_BSplineCurve.hxx>
-#include <Geom_BSplineCurve.hxx>
-#include <Geom_BezierSurface.hxx>
-#include <Geom_BSplineSurface.hxx>
-#include <Geom_SurfaceOfLinearExtrusion.hxx>
-
-#include <math.hxx>
 
 #include <Bnd_Box2d.hxx>
 #include <BndLib_Add2dCurve.hxx>
+#include <BRepGProp_Face.hxx>
+#include <Geom2d_BezierCurve.hxx>
+#include <Geom2d_BSplineCurve.hxx>
+#include <Geom2d_Line.hxx>
+#include <Geom_BezierSurface.hxx>
+#include <Geom_BSplineCurve.hxx>
+#include <Geom_BSplineSurface.hxx>
+#include <Geom_SurfaceOfLinearExtrusion.hxx>
 #include <GeomAdaptor_Curve.hxx>
-
+#include <gp_Pnt.hxx>
+#include <gp_Pnt2d.hxx>
+#include <gp_Vec.hxx>
+#include <gp_Vec2d.hxx>
+#include <math.hxx>
 #include <Precision.hxx>
+#include <TopoDS.hxx>
+#include <TopoDS_Edge.hxx>
+#include <TopoDS_Face.hxx>
 
 //=======================================================================
 //function : UIntegrationOrder
 //purpose  : 
 //=======================================================================
-
 Standard_Integer BRepGProp_Face::UIntegrationOrder() const {
 
   Standard_Integer Nu;