revert r.20005 because we already have getColumnPropertyTypeName in r.19551 a...

revert r.20005 because we already have getColumnPropertyTypeName in r.19551 a bit lower of this code and this code has no effect.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@27702 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Form/ListBox.py

@@ -2944,14 +2944,6 @@ class ListBoxLine:
     """
     return self.column_dict[column_id]
 
-  
-  security.declarePublic('getColumnPropertyTypeName')
-  def getColumnPropertyTypeName(self, column_id):
-    """
-      Returns the property type of a column
-    """
-    return self.column_dict[column_id].__class__.__name__
-
   security.declarePublic('getColumnPropertyList')
   def getColumnPropertyList(self, column_id_list = None):
     """