message: Fix unused variables errors
diff: @@ -465,8 +465,6 @@ void BatchedNonMaxSuppressionOp(
  std::vector<int> final_valid_detections(num_batches);
  auto shard_nms = [&](int begin, int end) {
  - int boxes_per_batch = num_boxes * q * 4;
  - int scores_per_batch = num_boxes * num_classes;
  for (int idx = begin; idx < end; ++idx) {
  int batch_idx = idx / num_classes;
  int class_idx = idx % num_classes;
  