Delete saved AI provider

{
  "defined": true,
  "code": "FORBIDDEN",
  "status": 403,
  "message": "AI is set up by the server administrator and can't be changed here.",
  "data": null
}

{
  "defined": true,
  "code": "PRECONDITION_FAILED",
  "status": 412,
  "message": "AI providers aren't available on this server. Ask the server administrator to set ENCRYPTION_SECRET.",
  "data": null
}

{
  "defined": true,
  "code": "<string>",
  "status": 1,
  "message": "<string>",
  "data": null
}