Simplification of systemtest Relax_disp.test_task_7882_monte_carlo_std_residual, to just test the creation of Monte-Carlo data where errors are drawn from the reduced chi2 distribution.
Task #7882 (https://gna.org/task/?7882): Implement Monte-Carlo simulation, where errors are generated with width of standard deviation or residuals.): Implement Monte-Carlo simulation, where errors are generated with width of standard deviation or residuals.
