Help swig not to trip over old occt handle definitions

src/ifcwrap/IfcGeomWrapper.i

@@ -642,6 +642,10 @@ struct ShapeRTTI : public boost::static_visitor<PyObject*>
 
 #ifdef IFOPSH_WITH_CGAL
 
+%ignore hlr_writer;
+%ignore hlr_calc;
+%ignore occt_join;
+%ignore prefiltered_hlr;
 %ignore svgfill::svg_to_line_segments;
 %ignore svgfill::line_segments_to_polygons;