Remove commented-out import.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@26483 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ZSQLCatalog/SearchKey/DateTimeKey.py

@@ -32,7 +32,6 @@ import sys
 from SearchKey import SearchKey
 from Products.ZSQLCatalog.Query.SimpleQuery import SimpleQuery
 from Products.ZSQLCatalog.Query.ComplexQuery import ComplexQuery
-#from Products.ZSQLCatalog.SQLExpression import SQLExpression
 from zLOG import LOG
 from DateTime.DateTime import DateTime, DateTimeError, _cache
 from Products.ZSQLCatalog.Interface.ISearchKey import ISearchKey