message: Remove BorrowedGpuStream c'tor with host context.
diff: @@ -122,7 +122,7 @@ Status BefThunk::ExecuteOnStream(const ExecuteParams& params) {
  auto context =
  tfrt::gpu::wrapper::Context(se_gpu_executor->gpu_context()->context());
  auto stream = tfrt::gpu::wrapper::Stream(se_gpu_stream->gpu_stream());
  - tfrt::gpu::BorrowedGpuStream gpu_stream(host, context, stream);
  + tfrt::gpu::BorrowedGpuStream gpu_stream(context, stream);
  // Prepare arguments for BEF execution.
  auto get_async_value_ref = [&](const BufferAllocation::Slice& slice) {
  