Resolve "SolverCeres stop solving if can update"

Closes #354 (closed)

include/core/ceres_wrapper/iteration_update_callback.h

@@ -28,8 +28,6 @@ class IterationUpdateCallback : public ceres::IterationCallback
             if (problem_->getStateBlockNotificationMapSize() != 0 or
                 problem_->getFactorNotificationMapSize() != 0)
             {
-                if (verbose_)
-                    std::cout << "Stopping solver to update the problem!\n";
                 WOLF_INFO_COND(verbose_, "Stopping solver to update the problem!");
                 return ceres::SOLVER_TERMINATE_SUCCESSFULLY;
             }