message: [lite] Remove unused code
diff: @@ -522,15 +522,6 @@ class Translator {
  mlir::TFL::CallOnceOp op, const std::vector<int32_t>& operands,
  const std::vector<int32_t>& results);
  - // Builds custom operators.
  - // Templated on a) data type of custom_option to be stored into flatbuffer,
  - // and b) TFL custom op type.
  - template <typename CustomOptionType, typename TFLOp>
  - BufferOffset<tflite::Operator> BuildCustomOperator(
  - const CustomOptionType& custom_option, const std::string& opcode_name,
  - TFLOp op, const std::vector<int32_t>& operands,
  - const std::vector<int32_t>& results);
  -
  BufferOffset<tflite::Operator> BuildNumericVerifyOperator(
  mlir::TFL::NumericVerifyOp op, const std::vector<int32_t>& operands,
  const std::vector<int32_t>& results);
  @@ -923,23 +914,6 @@ Optional<BufferOffset<tflite::Operator>> Translator::BuildWhileOperator(
  builtin_options);
  }
  -template <typename CustomOptionType, typename TFLOp>
  -BufferOffset<tflite::Operator> Translator::BuildCustomOperator(
  - const CustomOptionType& custom_option, const std::string& opcode_name,
  - TFLOp op, const std::vector<int32_t>& operands,
  - const std::vector<int32_t>& results) {
  - std::vector<uint8_t> custom_option_vector(sizeof(CustomOptionType));
  - memcpy(custom_option_vector.data(), &custom_option, sizeof(CustomOptionType));
  - auto opcode_index =
  - GetOpcodeIndex(opcode_name, tflite::BuiltinOperator_CUSTOM);
  - return tflite::CreateOperator(
  - builder_, opcode_index, builder_.CreateVector(operands),
  - builder_.CreateVector(results), tflite::BuiltinOptions_NONE,
  - /*builtin_options=*/0,
  - builder_.CreateVector<uint8_t>(custom_option_vector),
  - tflite::CustomOptionsFormat_FLEXBUFFERS);
  -}
  -
  BufferOffset<tflite::Operator> Translator::BuildNumericVerifyOperator(
  mlir::TFL::NumericVerifyOp op, const std::vector<int32_t>& operands,
  const std::vector<int32_t>& results) {
  