Remove spiral_curve_config.h which has been converted to proto. (#21)

modules/planning/math/spiral_curve/spiral_curve_config.h

-/******************************************************************************
- * Copyright 2017 The Apollo Authors. All Rights Reserved.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *****************************************************************************/
-
-/**
- * @file: spiral_curve_config.h
- * @brief: header file for path generating parameters
- **/
-
-#ifndef MODULES_PLANNING_SPIRAL_CURVE_SPIRAL_CURVE_CONFIG_H_
-#define MODULES_PLANNING_SPIRAL_CURVE_SPIRAL_CURVE_CONFIG_H_
-
-#include "common/json_object.h"
-
-#include <utility>
-
-namespace apollo {
-namespace planning {
-
-class SpiralCurveConfig : public JsonObject {
- public:
-  SpiralCurveConfig() = default;
-  SpiralCurveConfig(const std::size_t simpson_size,
-                    const double newton_raphson_tol,
-                    const std::size_t newton_raphson_max_iter);
-  std::size_t simpson_size() const;
-  std::size_t newton_raphson_max_iter() const;
-  double newton_raphson_tol() const;
-  virtual std::string to_json() const;
-
- private:
-  std::size_t simpson_size_ = 9;
-  double newton_raphson_tol_ = 0.01;
-  std::size_t newton_raphson_max_iter_ = 20;
-};
-
-}  // namespace planning
-}  // namespace apollo
-
-#endif  // MODULES_PLANNING_SPIRAL_CURVE_SPIRAL_CURVE_CONFIG_H_