a_dummy_default_function_for_the_base_class_for_naburuns_conf_files

a_dummy_default_function_for_the_base_class_for_naburuns_conf_files

the problem popped up when using the cor by diagnostics. For the cor by diagnostic a dedicated nabu run is used, and its configurator was lacking of the dummy function for scintillator deconvolution, which is not used, but it was missing