removed unused code

app.py

@@ -54,7 +54,6 @@ def infer(prompt, n_samples, steps, scale, seed):
     #       else:
     #           images.append(image)
     # else:
-    url = os.getenv('BACKEND_URL')
     response = safe_sd(prompt, int(n_samples), max(50,int(steps)), scale, seed)
     #requests.get(url.format(prompt, int(n_samples), max(50,int(steps)), f'{scale:.1f}', int(seed)))
     #response = requests.get(url.format('a%20naked%20girl', 2, 50, 7.5, 2))