Remove obsolete event clip logic (#16504)

* Remove obsolete event clip logic

* Formatting

frigate/api/media.py

@@ -1088,31 +1088,9 @@ def event_clip(request: Request, event_id: str):
             content={"success": False, "message": "Clip not available"}, status_code=404
         )
 
-    file_name = f"{event.camera}-{event.id}.mp4"
+    end_ts = datetime.now().timestamp() if event.end_time is None else event.end_time
-    clip_path = os.path.join(CLIPS_DIR, file_name)
-
-    if not os.path.isfile(clip_path):
-        end_ts = (
-            datetime.now().timestamp() if event.end_time is None else event.end_time
-        )
     return recording_clip(request, event.camera, event.start_time, end_ts)
 
-    headers = {
-        "Content-Description": "File Transfer",
-        "Cache-Control": "no-cache",
-        "Content-Type": "video/mp4",
-        "Content-Length": str(os.path.getsize(clip_path)),
-        # nginx: https://nginx.org/en/docs/http/ngx_http_proxy_module.html#proxy_ignore_headers
-        "X-Accel-Redirect": f"/clips/{file_name}",
-    }
-
-    return FileResponse(
-        clip_path,
-        media_type="video/mp4",
-        filename=file_name,
-        headers=headers,
-    )
-
 
 @router.get("/events/{event_id}/preview.gif")
 def event_preview(request: Request, event_id: str):