Remove default in getParam()

src/sensor/sensor_laser_2D.cpp

@@ -82,7 +82,7 @@ SensorBasePtr SensorLaser2D::create(const std::string& _unique_name, const Eigen
 SensorBasePtr SensorLaser2D::createAutoConf(const std::string& _unique_name, const ParamsServer& _server)
 {
     // decode extrinsics vector
-    Eigen::VectorXs _extrinsics_po = _server.getParam<Eigen::VectorXs>(_unique_name + "/extrinsic/pos", "[0,0,0]");
+    Eigen::VectorXs _extrinsics_po = _server.getParam<Eigen::VectorXs>(_unique_name + "/extrinsic/pos");
     assert(_extrinsics_po.size() == 3 && "Bad extrinsics vector length. Should be 3 for 2D.");
     StateBlockPtr pos_ptr = std::make_shared<StateBlock>(_extrinsics_po.head(2), true);
     StateBlockPtr ori_ptr = std::make_shared<StateBlock>(_extrinsics_po.tail(1), true);