[DCU] fix bug with cannot import name 'use_lightop_w8a8' from 'transformer_engine.pytorch.utils'

Signed-off-by: zhaochao <zhaochao1@sugon.com>

tests/pytorch/test_float8_blockwise_gemm_exact.py

@@ -6,7 +6,6 @@ import pytest
 import torch
 import transformer_engine as te
 import transformer_engine_torch as tex
-from transformer_engine.pytorch.utils import use_lightop_w8a8
 from transformer_engine.pytorch.constants import TE_DType
 from transformer_engine.pytorch.fp8 import (FP8GlobalStateManager, blockwise_fp8_block_len, int8_simulation_fp8)
 from transformer_engine.pytorch.tensor.float8_blockwise_tensor import (