Update requirements.txt to simplify dependencies

requirements.txt

@@ -1,9 +1,9 @@
-fastapi==0.111.0
-uvicorn[standard]==0.29.0
-python-multipart==0.0.9
-pandas==2.2.2
-transformers==4.41.2
-torch==2.3.0
-sentencepiece==0.2.0
-protobuf==4.25.3
-accelerate==0.30.1
+transformers
+bitsandbytes
+accelerate
+scipy
+torch
+pandas
+fastapi
+uvicorn
+python-multipart