make timetable generator available to everyone

timetable/views.py

@@ -1,8 +1,6 @@
 # Create your views here.
 from django.views.generic import TemplateView
 
-from core.auth.mixins import FormerSubscriberMixin
 
-
-class GeneratorView(FormerSubscriberMixin, TemplateView):
+class GeneratorView(TemplateView):
     template_name = "timetable/generator.jinja"