update

include/robot_costmap_2d/costmap_2d_robot.h

@@ -74,12 +74,6 @@ public:
 namespace robot_costmap_2d
 {
 
-  void signalHandler(int)
-  {
-    std::signal(SIGINT, SIG_DFL);
-    std::raise(SIGINT);
-  }
-
 /** @brief A ROS wrapper for a 2D Costmap. Handles subscribing to
  * topics that provide observations about obstacles in either the form
  * of PointCloud or LaserScan messages. */