Upgrade transformers==5.3.0 (#17784)

Signed-off-by: Xinyuan Tong <xinyuantong.cs@gmail.com>
Co-authored-by: Kangyan-Zhou <zky314343421@gmail.com>
Co-authored-by: Alison Shao <alisonshao@mac.lan>
Co-authored-by: Mick <mickjagger19@icloud.com>

python/sglang/srt/model_loader/weight_utils.py

@@ -68,21 +68,6 @@ except ImportError as e:
 logger = logging.getLogger(__name__)
 
 
-def enable_hf_transfer():
-    """automatically activates hf_transfer"""
-    if "HF_HUB_ENABLE_HF_TRANSFER" not in os.environ:
-        try:
-            # enable hf hub transfer if available
-            import hf_transfer  # type: ignore # noqa
-
-            huggingface_hub.constants.HF_HUB_ENABLE_HF_TRANSFER = True
-        except ImportError:
-            pass
-
-
-enable_hf_transfer()
-
-
 # use system-level temp directory for file locks, so that multiple users
 # can share the same lock without error.
 # lock files in the temp directory will be automatically deleted when the