message: Simplify lambdas
diff: @@ -83,10 +83,7 @@ void OptimizeTokenPartitionTree(const BasicFormatStyle& style,
  case PartitionPolicyEnum::kFitOnLineElseExpand: {
  absl::FixedArray<LayoutFunction> layouts(subnode.Children().size());
  std::transform(subnode.Children().begin(), subnode.Children().end(),
  - layouts.begin(),
  - [&TraverseTree](const TokenPartitionTree& subnode) {
  - return TraverseTree(subnode);
  - });
  + layouts.begin(), TraverseTree);
  return factory.Wrap(layouts.begin(), layouts.end());
  }
  @@ -94,10 +91,7 @@ void OptimizeTokenPartitionTree(const BasicFormatStyle& style,
  case PartitionPolicyEnum::kTabularAlignment: {
  absl::FixedArray<LayoutFunction> layouts(subnode.Children().size());
  std::transform(subnode.Children().begin(), subnode.Children().end(),
  - layouts.begin(),
  - [&TraverseTree](const TokenPartitionTree& subnode) {
  - return TraverseTree(subnode);
  - });
  + layouts.begin(), TraverseTree);
  return factory.Stack(layouts.begin(), layouts.end());
  }
  