grass.py: move message about language override to debug (it's too verbose from user POV)

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@64767 15284696-431f-4ddb-bdfa-cd5b030d7da7

lib/init/grass.py

@@ -798,7 +798,8 @@ def set_language():
             return
     
     else:
-        message(_("A language override has been requested. Trying to switch GRASS into '%s'...") % language)
+        if grass_debug:
+            message(_("A language override has been requested. Trying to switch GRASS into '%s'...") % language)
         
         try:
             locale.setlocale(locale.LC_ALL, language)