Fix tests.

tests/scenario_production_subcontract.rst

@@ -50,12 +50,6 @@ Create chart of accounts::
     >>> expense = accounts['expense']
     >>> cash = accounts['cash']
 
-    >>> Journal = Model.get('account.journal')
-    >>> cash_journal, = Journal.find([('type', '=', 'cash')])
-    >>> cash_journal.credit_account = cash
-    >>> cash_journal.debit_account = cash
-    >>> cash_journal.save()
-
 Create payment term::
 
     >>> PaymentTerm = Model.get('account.invoice.payment_term')