Update requirements.txt

requirements.txt

@@ -1,18 +1,2 @@
-langChain
-OpenAI
-pinecone-client
-tiktoken
-pypdf
-attrs==22.2.0
-ConfigParser==6.0.0
-contextlib2==21.6.0
-cryptography==41.0.3
-ipython==8.14.0
-langchain==0.0.258
-openai==0.27.8
-pinecone_client==2.2.2
-protobuf==3.20.3
-python-dotenv==1.0.0
-fastapi>=0.68.0,<0.69.0
-pydantic>=1.8.0,<2.0.0
-uvicorn>=0.15.0,<0.16.0
+fastapi
+uvicorn