[FIX] website_sale: still cleaning lost references to deleted code in website_sale ...

Fixed checkout redirection that was meant to clean the session (incorrect sale order or transaction) that may happen
when having issues with the payment.

addons/website_sale/controllers/main.py

@@ -255,7 +255,8 @@ class website_sale(http.Controller):
 
         # must have a draft sale order with lines at this point, otherwise reset
         if not order or order.state != 'draft':
-            request.website_sale_reset(cr, uid, context=context)
+            request.session['sale_order_id'] = None
+            request.session['sale_transaction_id'] = False
             return request.redirect('/shop')
 
         # if transaction pending / done: redirect to confirmation