Update requirements.txt

requirements.txt

@@ -1,12 +1,2 @@
-langchain>=0.1.0
-langchain-community>=0.0.11
-langchain-openai>=0.0.2
-langchainhub>=0.1.14
-chromadb>=0.4.22
-tavily-python>=0.3.1
-python-dotenv>=1.0.0
-gradio>=4.19.2
-requests>=2.31.0
-pandas>=2.2.0
-sentence-transformers>=2.2.2
-torch>=2.0.0
+gradio
+requests