rename class to follow file name

git-svn-id: https://svn.erp5.org/repos/public/erp5/sandbox/amount_generator@37535 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/interfaces/generated_delivery_builder.py

@@ -33,7 +33,7 @@ Products.ERP5.interfaces.builder
 from zope.interface import Interface
 
  
-class IDeliveryBuilder(Interface):
+class IGeneratedDeliveryBuilder(Interface):
   """
   """