Remove suffix "transaction_" of query parameters to prepare the full migration of accouting stuff to getInventory API.
Make the code very similar to other _getAccountingTransactionList script to prepare the unification of those scripts.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@6418 20353a03-c40f-0410-a6d1-a30d3c3de9de