fix payload

app.py

@@ -190,14 +190,6 @@ class GenerationManager:
                 "seed": -1,
             }
 
-            if backend == "flux-dev":
-                payload.update({
-                    "guidance_scale": 3.5,
-                    "num_images": 1,
-                    "num_inference_steps": 28,
-                    "strength": 0.8,
-                })
-
             print(f"Submitting task to {backend}")
             print(f"URL: {url}")
             print(f"Payload: {json.dumps(payload, indent=2)}")