Don't enforce chip number on card generation

aleksis/apps/kort/views.py

@@ -216,10 +216,6 @@ class CardGeneratePDFView(PermissionRequiredMixin, RevisionMixin, SingleObjectMi
     def get(self, request: HttpRequest, *args, **kwargs) -> HttpResponse:
         self.object = self.get_object()
 
-        if not self.object.chip_number:
-            messages.error(request, _("The chip number is missing."))
-            return redirect("cards")
-
         redirect_url = f"/app/kort/cards/{self.object.pk}/"
         result = self.object.generate_pdf()