Remove string_index2, int_index2 and float_index2. They are probably useless.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@1999 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/PropertySheet/SortIndex.py

@@ -45,18 +45,6 @@ class SortIndex:
             'description' : 'a float which can be used to sort objects in a list',
             'type'        : 'float',
             'mode'        : 'w' },
-        {   'id'          : 'string_index2',
-            'description' : 'a string which can be used to sort objects in a list',
-            'type'        : 'string',
-            'mode'        : 'w' },
-        {   'id'          : 'int_index2',
-            'description' : 'an int which can be used to sort objects in a list',
-            'type'        : 'int',
-            'mode'        : 'w' },
-        {   'id'          : 'float_index2',
-            'description' : 'a float which can be used to sort objects in a list',
-            'type'        : 'float',
-            'mode'        : 'w' },
       )
 
   _categories = ()