Remove functionality for generic error

This was added so the
"This destination cannot be deleted error" could be shown
separate from field specific errors, but after the changes
done to the delete endpoint this is no longer used.
_render_destination_list is complicated enough as-is that
removing this makes it a bit nicer

src/argus/htmx/destination/views.py

@@ -65,7 +65,6 @@ def _render_destination_list(
     request,
     create_form: Optional[DestinationFormCreate] = None,
     update_forms: Optional[Sequence[DestinationFormUpdate]] = None,
-    errors: Optional[Sequence[str]] = None,
     template: str = "htmx/destination/destination_list.html",
 ) -> HttpResponse:
     """Function to render the destinations page.
@@ -82,13 +81,10 @@ def _render_destination_list(
         create_form = DestinationFormCreate()
     if update_forms is None:
         update_forms = _get_update_forms(request.user)
-    if errors is None:
-        errors = []
     grouped_forms = _group_update_forms_by_media(update_forms)
     context = {
         "create_form": create_form,
         "grouped_forms": grouped_forms,
-        "errors": errors,
     }
     return render(request, template, context=context)
 

src/argus/htmx/templates/htmx/destination/_content.html

@@ -1,5 +1,4 @@
 <div id="destination-content">
   {% include "htmx/destination/_create_form.html" %}
-  {% for error in errors %}<p class="text-error">{{ error }}</p>{% endfor %}
   {% include "htmx/destination/_form_list.html" %}
 </div>