Update requirements.txt

requirements.txt

@@ -1,9 +1,8 @@
-streamlit==1.37.0
-langchain==0.2.16
-langchain-community==0.2.16
-faiss-cpu==1.8.0.post1
-PyPDF2==3.0.1
-sentence-transformers==3.0.1
-torch==2.4.0
-numpy==1.26.4
-transformers==4.44.2
+streamlit
+pdfplumber
+sentence-transformers
+transformers
+torch
+faiss-cpu
+langchain
+langchain-community