Remove unused dataset_name import and HF_TOKEN parameter from DatasetManager initialization

app.py

@@ -9,7 +9,7 @@ from huggingface_hub import InferenceClient
 from sentence_transformers import SentenceTransformer
 
 from arxiv_stuff import ARXIV_CATEGORIES_FLAT
-from dataset_utils import DatasetManager, dataset_name
+from dataset_utils import DatasetManager
 
 # Get HF_TOKEN from environment variables
 HF_TOKEN = os.getenv("HF_TOKEN")
@@ -745,8 +745,6 @@ if __name__ == "__main__":
 
     # Load dataset with FAISS index
     dataset = DatasetManager(
-        dataset_name=dataset_name,
-        hf_token=HF_TOKEN,
         embedding_model=embedding_model,
     )