Jonas L. 9d3a88093e
fix(legacy): do not send content-type header twice (#3187)
### Description

Nginx complains with a lot of warnings about duplicate headers:

```
nginx-1  | 2025/08/09 10:30:59 [warn] 30#30: *165 upstream sent duplicate header line: "Content-Type: application/javascript", previous value: "Content-Type: application/json", ignored while reading response header from upstream, client: 172.18.0.1, server: , request: "GET /api/live-info?callback=jQuery110208358688475043138_1754723948660&type=interval&limit=5&_=1754723949161 HTTP/1.0", upstream: "fastcgi://172.18.0.5:9000"
```
2025-08-09 14:28:34 +02:00
..
2022-09-14 11:09:52 +02:00
2023-02-26 20:16:38 +01:00