cleared up old files from calibration folder

calibration/automatic_filter.m

calibration/bounding_polygon.m

calibration/bounding_polyhedron.m

calibration/bulk_marker_search.m

calibration/bundle_calibration_fit.m

calibration/calcmask.m

calibration/calibration_to_config.m

calibration/calpts2mat.m

calibration/check_calibration.m

calibration/combine_calibrations.m

calibration/combine_markers.m

calibration/cubicfit_2d.m

calibration/cubicmap_2d.m

calibration/dewarp_2d.m

calibration/dewarp_pinhole_2d.m

calibration/distortion_test.m

calibration/dlt/dlt_maths.m

calibration/dlt/dlt_model.m

calibration/dlt/dlt_test.m

calibration/dlt/randomorthogonal.m