Update requirements.txt

requirements.txt

@@ -1,6 +1,5 @@
 gradio == 3.45.0
-transformers==4.41.1
 torch==2.3.0
-pandas==2.2.2
-matplotlib==3.9.0
-tempfile==5.1.0
+chromadb==0.5.0
+langchain== 0.2.1
+sentence-transformers== 3.0.0