remove some dep that were not needed directly

Author: thiswillbeyourgithub

setup.py

@@ -85,9 +85,7 @@ def run(self):
         'langchain-community>=0.2.16',
         'langchain-openai>=0.1.23',
         'litellm>=1.38.10',
-        'nltk>=3.8.1',
         'prompt-toolkit>=3.0.43',
-        'requests>=2.25.1',
         'tqdm>=4.66.4',
         'faiss-cpu>=1.8.0',
         'rich>=13.7.1',