message: [grappler] Remove dead code during tensor constant compression.
diff: @@ -3754,20 +3754,6 @@ Status ConstantFolding::RunOptimizationPass(Cluster* cluster,
  return Status::OK();
  }
  -namespace {
  -Status CompressConstants(GraphDef* graph) {
  - for (int i = 0; i < graph->node_size(); ++i) {
  - NodeDef* node = graph->mutable_node(i);
  - if ((IsConstant(*node) || IsHostConstant(*node)) &&
  - HasNodeAttr(*node, "value")) {
  - AttrValue& attr_val = (*node->mutable_attr())["value"];
  - tensor::CompressTensorProtoInPlace(attr_val.mutable_tensor());
  - }
  - }
  - return Status::OK();
  -}
  -} // namespace
  -
  Status ConstantFolding::Optimize(Cluster* cluster, const GrapplerItem& item,
  GraphDef* optimized_graph) {
  // TensorFlow flushes denormals to zero and rounds to nearest, so we do
  