remove old has_tickets context_processors

src/bornhack/settings.py

@@ -78,7 +78,6 @@ TEMPLATES = [
                 'django.contrib.auth.context_processors.auth',
                 'django.contrib.messages.context_processors.messages',
                 'shop.context_processors.current_order',
-                'shop.context_processors.user_has_tickets',
                 'camps.context_processors.camp',
             ],
         },

src/shop/context_processors.py

@@ -13,11 +13,3 @@ def current_order(request):
     return {}
 
 
-def user_has_tickets(request):
-    has_tickets = False
-    if hasattr(request.user, 'orders') and request.user.orders.filter(
-        tickets__product__category__name=settings.TICKET_CATEGORY_NAME
-    ).exists():
-        has_tickets = True
-    return {'has_tickets': has_tickets}
-