ifcwrap: exclude internal geometry pointers

Still available as `int(xxx.this)`.

src/ifcopenshell-python/ifcopenshell/ifcopenshell_wrapper.pyi

@@ -126,7 +126,6 @@ class BRepElement(Element):
     def calculate_projected_surface_area(self, along_x, along_y, along_z): ...
     @property
     def geometry(self) -> BRep: ...
-    def geometry_pointer(self): ...
     @property
     def surface_area(self): ...
     @property
@@ -618,7 +617,6 @@ class TriangulationElement(Element):
     def __init__(self, *args): ...
     @property
     def geometry(self) -> Triangulation: ...
-    def geometry_pointer(self): ...
 
 class TtlWktSerializer(WriteOnlyGeometrySerializer):
     def __init__(self, filename, geometry_settings, settings, logger=None): ...

src/ifcwrap/IfcGeomWrapper.i

@@ -21,6 +21,8 @@
 
 %ignore stream_or_filename::stream;
 %ignore boost::hash_value;
+%ignore IfcGeom::BRepElement::geometry_pointer;
+%ignore IfcGeom::TriangulationElement::geometry_pointer;
 
 // This is only used for RGB colours, hence the size of 3
 %typemap(out) const double* {