fix: remove unnecessary token environment variable

app.py

@@ -25,14 +25,13 @@ import torch
 
 import anime_face_detector
 
-TOKEN = os.environ["TOKEN"]
 
 def load_sample_image_paths() -> list[pathlib.Path]:
     image_dir = pathlib.Path("images")
     if not image_dir.exists():
         dataset_repo = "hysts/sample-images-TADNE"
         path = huggingface_hub.hf_hub_download(
-            dataset_repo, "images.tar.gz", repo_type="dataset", use_auth_token=TOKEN
+            dataset_repo, "images.tar.gz", repo_type="dataset"
         )
         with tarfile.open(path) as f:
             f.extractall()