Events in the public API are always double

[bedo2991]

All events in the public API (/api/events/sectionname) are listed twice.

Example:

{"generated_on":"2025-05-28T18:17:13Z","events":[{"import_id":"ec62f93b-5e03-4666-ae74-9882aa7c0207","name":"Stadtfest Grill Freitag","start":"2025-06-06","start_time":"10:00:00","end":"2025-06-06","end_time":"22:00:00","place":"bi-Club","icon":"tree","cancelled":false,"updated_on":"2025-05-24T07:45:42Z"},{"import_id":"ec62f93b-5e03-4666-ae74-9882aa7c0207","name":"Stadtfest Grill Freitag","start":"2025-06-06","start_time":"10:00:00","end":"2025-06-06","end_time":"22:00:00","place":"bi-Club","icon":"tree","cancelled":false,"updated_on":"2025-05-24T07:45:42Z"},{"import_id":"0f1660f4-c5de-4fc5-a8d9-8ecd39837d11","name":"Karaoke"