Update requirements.txt

requirements.txt

@@ -1,8 +1,7 @@
-gradio>=4.0.0
-pymupdf>=1.23.0
-langchain-community>=0.0.29
-chromadb>=0.4.24
-groq>=0.5.0
-python-dotenv>=1.0.0
-sentence-transformers>=2.2.2
-langchain-huggingface>=0.0.2
+gradio
+pymupdf
+langchain-community
+chromadb
+groq
+python-dotenv
+sentence-transformers