Remove media_exchange_supported-Flag: Checkin will always be denied if media needs to be exchanged; apps will fall back to explanation text

src/pretix/control/forms/checkin.py

@@ -192,11 +192,6 @@ class CheckinListSimulatorForm(forms.Form):
         initial=True,
         required=False,
     )
-    media_exchange_supported = forms.BooleanField(
-        label=_("Support for media exchange"),
-        initial=True,
-        required=False,
-    )
     gate = SafeModelChoiceField(
         label=_('Gate'),
         empty_label=_('All gates'),

src/pretix/control/templates/pretixcontrol/checkin/simulator.html

@@ -35,7 +35,6 @@
         {% bootstrap_field form.gate layout="control" %}
         {% bootstrap_field form.ignore_unpaid layout="control" %}
         {% bootstrap_field form.questions_supported layout="control" %}
-        {% bootstrap_field form.media_exchange_supported layout="control" %}
         <div class="row">
             <div class="col-md-9 col-md-offset-3">
                 <button type="submit" class="btn btn-primary">

src/pretix/control/views/checkin.py

@@ -553,7 +553,6 @@ class CheckInListSimulator(EventPermissionRequiredMixin, FormView):
             pdf_data=False,
             questions_supported=form.cleaned_data["questions_supported"],
             canceled_supported=False,
-            media_exchange_supported=form.cleaned_data["media_exchange_supported"],
             request=self.request,  # this is not clean, but we need it in the serializers for URL generation
             legacy_url_support=False,
             simulate=True,