message: Remove unused function in arithmetic optimizer test
diff: @@ -71,10 +71,6 @@ string AggregationMulName(const string& name) {
  return AddPrefixToNodeName(name, kSimplifyAggregationMul, "");
  }
  -string OptimizedName(const string& name) {
  - return AddPrefixToNodeName(name, kArithmeticOptimizer);
  -}
  -
  void VerifyGraphsMatch(const GraphDef& original_graph,
  const GraphDef& optimized_graph, int line) {
  EXPECT_EQ(original_graph.node_size(), optimized_graph.node_size()) << line;
  