message: Remove logging of the GraphDef, it pollutes the log and make debugging harder.
diff: @@ -163,7 +163,6 @@ void TRTOptimizationPass::PrintDebugInfo(
  } else {
  LOG(INFO) << offset << "No keep ops";
  }
  - LOG(INFO) << item.graph.DebugString();
  for (const auto dev : cluster->GetDeviceSet()->devices()) {
  const auto& pname = dev->parsed_name();
  LOG(INFO) << "Device name= " << dev->name()
  