message: Remove useless comment lines.
diff: @@ -1677,10 +1677,6 @@ private:
  }
  // Otherwise, cache bias
  - // bias.SetUsrMem(bias_md, &bias_tensor);
  - // bias.CheckReorderToOpMem(conv_fwd_pd.get()->bias_primitive_desc());
  - // bias_data = static_cast<Tbias*>(bias.GetOpMem().get_data_handle());
  -
  Tensor* bias_tensor_ptr = nullptr;
  AllocatePersistentTensor(context, *conv_fwd_pd, &bias_tensor_ptr);
  void* cached_bias_data = const_cast<void*>(static_cast<const void*>(bias_tensor_ptr->flat<Tbias>().data()));
  