Update utils.py

Author: ponix-j

vllm_ascend/utils.py

@@ -100,7 +100,6 @@ def adapt_patch(is_global_patch: bool = False):
     if is_global_patch:
         from vllm_ascend.patch import platform  # noqa: F401
     else:
-        from vllm_ascend.patch import spec_decode  # noqa: F401
         from vllm_ascend.patch import worker  # noqa: F401