message: Remove commented out old code
diff: @@ -514,7 +514,6 @@ Status MarkForCompilationPass::RunImpl(
  // operators.
  if (cluster_sizes[cluster] >= min_cluster_size || marked_for_compilation ||
  registration->requires_compilation) {
  -// cluster = 0;
  string& name = cluster_names[cluster];
  if (name.empty()) {
  