message: TFLM: Remove unused function.
  This method should have been moved to MicroAllocator.
diff: @@ -21,25 +21,6 @@ limitations under the License.
  namespace tflite {
  namespace {
  -const size_t kStackDataAllocatorSize = 128;
  -class StackDataAllocator : public BuiltinDataAllocator {
  - public:
  - void* Allocate(size_t size) override {
  - if (size > kStackDataAllocatorSize) {
  - return nullptr;
  - } else {
  - return data_;
  - }
  - }
  - void Deallocate(void* data) override {
  - // Do nothing.
  - }
  -
  - private:
  - uint8_t data_[kStackDataAllocatorSize];
  -
  - TF_LITE_REMOVE_VIRTUAL_DELETE
  -};
  const char* OpNameFromRegistration(const TfLiteRegistration* registration) {
  if (registration->builtin_code == BuiltinOperator_CUSTOM) {
  