modify torch version to cpu

requirements.txt

@@ -116,9 +116,9 @@ threadpoolctl==3.5.0
 tiktoken==0.8.0
 tokenizers==0.20.3
 toml==0.10.2
-torch==2.5.0+cu121
-torchaudio==2.5.0+cu121
-torchvision==0.20.0+cu121
+torch==2.5.0
+torchaudio==2.5.0
+torchvision==0.20.0
 tornado==6.4.1
 tqdm==4.67.0
 transformers==4.46.3