Update requirements.txt

requirements.txt

@@ -1,5 +1,2 @@
-gradio==3.31.0
-langchain==0.0.222
-yfinance==0.2.18
-openai==0.27.8
-llama-cpp-python==0.1.44  # If you are using a Llama model, otherwise this can be excluded
+gradio
+yahoo_fin