update setup

Author: mayuyuace

setup.py

@@ -8,7 +8,6 @@
 from pathlib import Path
 from shutil import which
 
-import torch
 from packaging.version import Version
 from setuptools import Extension, setup
 from setuptools.command.build_ext import build_ext
@@ -255,16 +254,8 @@ def run(self):
             self.copy_file(file, dst_file)
 
 
-def _is_xpu() -> bool:
-    has_xpu = torch.version.xpu is not None
-    return (VLLM_TARGET_DEVICE == "xpu" and has_xpu)
-
-
 ext_modules = []
 
-if _is_xpu():
-    ext_modules.append(CMakeExtension(name="vllm_xpu_kernels._moe_C"))
-
 if _build_custom_ops():
     ext_modules.append(CMakeExtension(name="vllm_xpu_kernels._C"))
     ext_modules.append(CMakeExtension(name="vllm_xpu_kernels._moe_C"))