more review comment changes

src/ngraph/runtime/cpu/emitter.cpp

@@ -42,8 +42,6 @@ using namespace ngraph::runtime::cpu;
 
 using ngraph::descriptor::layout::DenseTensorViewLayout;
 
-#define TI(x) type_index(typeid(x))
-
 static string eigen_vector_format(const runtime::TensorViewInfo& tvi)
 {
     return "fmt::V{" + to_string(tvi.get_layout<DenseTensorViewLayout>()->get_size()) + "}";

src/ngraph/runtime/cpu/external_function.cpp

@@ -328,7 +328,6 @@ extern "C" void free_aligned_buffer(void* allocated);
 
     string output_dir = "cpu_codegen";
     string function_name = m_function->get_name();
-    // file_util::remove_directory(output_dir);
     file_util::make_directory(output_dir);
     string filename = file_util::path_join(output_dir, function_name + "_codegen.cpp");
     ofstream out(filename);