wxGUI/modeler: fix handling ^Ction comments

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@58567 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/gmodeler/model.py

@@ -1056,8 +1056,6 @@ class ModelAction(ModelObject, ogl.DividedShape):
         self.regionComment.SetText(comment)
         self.SetRegionSizes()
         self.ReformatRegions()
-        self.Refresh()
-        self.GetCanvas.Refresh()
 
     def GetComment(self):
         """!Get comment"""