Planning: Openspace: turn off ipopt log

modules/planning/open_space/distance_approach_ipopt_interface.cc

@@ -1269,7 +1269,7 @@ bool DistanceApproachIPOPTInterface::eval_jac_g(int n, const double* x,
 
   ADEBUG << "eval_jac_g done";
   return true;
-}
+} // NOLINT
 
 bool DistanceApproachIPOPTInterface::eval_h(int n, const double* x, bool new_x,
                                             double obj_factor, int m,

modules/planning/open_space/dual_variable_warm_start_problem.cc

@@ -61,7 +61,7 @@ bool DualVariableWarmStartProblem::Solve(
   // TODO(QiL) : Change IPOPT settings to flag or configs
   // app->Options()->SetStringValue("derivative_test", "second-order");
   // app->Options()->SetNumericValue("derivative_test_tol", 1.0e-3);
-  app->Options()->SetIntegerValue("print_level", 5);
+  app->Options()->SetIntegerValue("print_level", 0);
   // app->Options()->SetIntegerValue("mumps_mem_percent", 2000);
   app->Options()->SetNumericValue("mumps_pivtol", 1e-5);
   app->Options()->SetIntegerValue("max_iter", 750);