Remove the wxPython-only doc snippets from the C++ docs

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@71170 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/doxygen/Doxyfile_inc

@@ -196,8 +196,6 @@ ALIASES += stock{3}="<tr><td><span class='itemdef'>\1</span></td> <td> @image ht
 # See ENABLED_SECTIONS configuration key for more info about these:
 ALIASES += beginWxPerlOnly="\if WXPERL_MANUAL <b>wxPerl Note:</b> "
 ALIASES += endWxPerlOnly="\endif"
-ALIASES += beginWxPythonOnly="\if WXPYTHON_MANUAL <b>wxPython Note:</b> "
-ALIASES += endWxPythonOnly="\endif"
 
 # This is to get around a bug in Doxygen that prevents use of '{' or '}'
 # inside of any aliased command in parameters.

docs/doxygen/overviews/propgrid.h

@@ -556,18 +556,6 @@ This example reverse-iterates through all visible items:
 
 @endcode
 
-@beginWxPythonOnly
-PropertyGridInterface has some useful pythonic iterators as attributes.
-@c Properties lets you iterate through all items that are not category
-captions or private children. @c Items lets you iterate through everything
-except private children. Also, there are GetPyIterator() and GetPyVIterator(),
-which return pythonic iterators instead of normal wxPropertyGridIterator.
-
-If you need to use C++ style iterators in wxPython code, note that
-Instead of ++ operator, use Next() method, and instead of
-* operator, use GetProperty() method.
-@endWxPythonOnly
-
 GetIterator() only works with wxPropertyGrid and the individual pages
 of wxPropertyGridManager. In order to iterate through an arbitrary
 property container (such as entire wxPropertyGridManager), you need to use