message: remove unusd variable
diff: @@ -245,7 +245,6 @@ void XlaLocalLaunchBase::Compute(OpKernelContext* ctx) {
  se::Stream* stream =
  ctx->op_device_context() ? ctx->op_device_context()->stream() : nullptr;
  - absl::optional<se::TfAllocatorAdapter> tf_allocator_adapter;
  se::DeviceMemoryAllocator* allocator =
  GetAllocator(ctx->device(), stream, platform_info_).get();
  int device_ordinal = stream ? stream->parent()->device_ordinal()
  