message: Removed redundant code from layout_optimizer.cc
diff: @@ -2048,8 +2048,6 @@ class DataLayoutOptimizer : GraphProcessor {
  // only needs to be performed if at least one node in the previous pass is
  // expanded.
  if (graph_->node_size() > node_size_original) {
  - NodeDef* n = AddNodePermNHWCToNCHW();
  - n = AddNodePermNCHWToNHWC();
  std::set<string> ops_format_agnostic = GetOpsFormatAgnostic();
  for (int i = 0; i < graph_->node_size(); i++) {
  if (ops_format_agnostic.find(graph_->node(i).op()) !=
  