Remove vllm_c from IrPriority for XPU

Signed-off-by: Xinyu Chen <xinyu1.chen@intel.com>

Author: xinyu-intel

vllm/platforms/xpu.py

@@ -285,7 +285,7 @@ def get_default_ir_op_priority(
         # use fused kernels where available when no codegen
         cc = vllm_config.compilation_config
         using_inductor = cc.backend == "inductor" and cc.mode != CompilationMode.NONE
-        default = ["native"] if using_inductor else ["xpu_kernels", "vllm_c", "native"]
+        default = ["native"] if using_inductor else ["xpu_kernels", "native"]
 
         return IrOpPriorityConfig.with_default(default)