Update requirements.txt

requirements.txt

@@ -1,9 +1,7 @@
-gradio==4.31.0
-langchain==0.2.1
-langchain-community==0.2.1
-sentence-transformers==3.0.1
-faiss-cpu==1.8.0.post1
-unstructured[docx]==0.14.8
-huggingface-hub>=0.24.0
-nltk==3.8.1
-langchain-huggingface==0.0.3
+gradio
+langchain
+langchain-community
+sentence-transformers
+faiss-cpu
+unstructured[docx]
+langchain-huggingface