Remove unused output arguments.

matlab/+bvar/density.m

matlab/+bvar/forecast.m

matlab/+bvar/irf.m

matlab/+estimate/nls.m

matlab/+gsa/stability_mapping.m

matlab/+identification/analysis.m

matlab/+identification/checks.m

matlab/+identification/get_minimal_state_representation.m

matlab/+identification/numerical_objective.m

matlab/+identification/run.m

matlab/+mom/mode_compute_gmm_smm.m

matlab/+mom/run.m

matlab/+occbin/DSGE_smoother.m

matlab/+occbin/IVF_posterior.m

matlab/+occbin/forecast.m

matlab/+occbin/kalman_update_algo_1.m

matlab/+occbin/kalman_update_algo_3.m

matlab/+pac/+estimate/init.m

matlab/+pac/+estimate/iterative_ols.m

matlab/+pac/+estimate/nls.m