Temporary disable payment form

Signed-off-by: Emmy D'Anello <emmy.danello@animath.fr>

registration/views.py

@@ -456,8 +456,6 @@ class PaymentUpdateView(LoginRequiredMixin, UpdateView):
     def get_form(self, form_class=None):
         form = super().get_form(form_class)
         if not self.request.user.registration.is_admin:
-            from django.forms.widgets import Select
-            widget: Select
             form.fields["type"].widget.choices = list(form.fields["type"].widget.choices)[:-1]
             del form.fields["valid"]
         return form