removing reference to grassenv again

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@35154 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/gui_modules/mapdisp.py

@@ -53,7 +53,6 @@ sys.path.append(gmpath)
 
 import render
 import toolbars
-import grassenv
 import track
 import menuform
 import gselect