KeyError: 'delete_selected'

Thalia Technicie
2020-01-08T22:43:53+01:00

Sentry Issue: [CONCREXIT-1S](https://sentry.io/organizations/thalia/issues/1399281021/?referrer=gitlab_integration)

```
KeyError: 'delete_selected'
(7 additional frame(s) were not displayed)
...
File "django/utils/decorators.py", line 45, in _wrapper
return bound_method(*args, **kwargs)
File "django/utils/decorators.py", line 142, in _wrapped_view
response = view_func(request, *args, **kwargs)
File "django/contrib/admin/options.py", line 1685, in changelist_view
cl = self.get_changelist_instance(request)
File "django/contrib/admin/options.py", line 727, in get_changelist_instance
if self.get_actions(request):
File "events/admin.py", line 205, in get_actions
del actions['delete_selected']
```