cosmetics in wxGUI dox file

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@43789 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/wxpythonlib.dox

@@ -300,7 +300,6 @@ available in GRASS 5 and GRASS 6.
 - gui_modules/nviz.py
 
 - gui_modules/nviz_tools.py
-
  - gui_modules::nviz_tools::NvizToolWindow
  - gui_modules::nviz_tools::PositionWindow
  - gui_modules::nviz_tools::ViewPositionWindow