wxGUI/modeler: disable checking variables in file (this should be optional only)

	       (merge https://trac.osgeo.org/grass/changeset/49046 from devbr6)


git-svn-id: https://svn.osgeo.org/grass/grass/trunk@49047 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/gui_modules/gmodeler.py

@@ -418,8 +418,8 @@ class Model(object):
                                 break
                         if report:
                             errList.append(_("%s: undefined variable '%s'") % (cmd[0], var))
-        
-            errList += self._substituteFile(action, checkOnly = True)
+            ### TODO: check variables in file only optionally
+            ### errList += self._substituteFile(action, checkOnly = True)
         
         return errList