Update app.py

app.py

@@ -28,8 +28,6 @@ index.add(vectors)
 
 # Map the image ids to the corresponding image URLs
 image_map_name = 'captions.json'
-image_map_url = './captions.json'
-wget.download(image_map_url, image_map_name)
 
 with open(image_map_name, 'r') as f:
     caption_dict = json.load(f)