chore(core): remove mixin for patching sponsor data

src/core/views.py

@@ -6,29 +6,21 @@
 from django.views.defaults import page_not_found, server_error
 from django.views.generic import TemplateView
 
-from .data import EXTRA_DATA
 from .utils import (
  TemplateExistanceStatusResponse,
  collect_language_codes,
 )
 
 
-class ExtraDataMixin:
- def get_context_data(self, **kwargs):
- data = super().get_context_data(**kwargs)
- data.update(EXTRA_DATA.get(self.path, {}))
- return data
-
-
-class IndexView(ExtraDataMixin, TemplateView):
+class IndexView(TemplateView):
  template_name = 'index.html'
  path = ''
 
  def dispatch(self, request, *args, **kwargs):
  return redirect(reverse('user_dashboard'))
 
 
-class FlatPageView(ExtraDataMixin, TemplateView):
+class FlatPageView(TemplateView):
 
  response_class = TemplateExistanceStatusResponse