Get rid of newstyle flag for Form.validate() method

we always/only use "new style" now

tailbone/api/batch/receiving.py

@@ -407,7 +407,7 @@ class ReceivingBatchRowViews(APIBatchRowView):
         form = forms.Form(schema=schema, request=self.request)
         # TODO: this seems hacky, but avoids "complex" date value parsing
         form.set_widget('expiration_date', dfwidget.TextInputWidget())
-        if not form.validate(newstyle=True):
+        if not form.validate():
             log.debug("form did not validate: %s",
                       form.make_deform_form().error)
             return {'error': "Form did not validate"}

tailbone/api/common.py

@@ -89,7 +89,7 @@ class CommonView(APIView):
         # identical; perhaps should merge somehow?
         schema = Feedback().bind(session=Session())
         form = forms.Form(schema=schema, request=self.request)
-        if form.validate(newstyle=True):
+        if form.validate():
             data = dict(form.validated)
 
             # figure out who the sending user is, if any