Delete obsolete PyARC workflow files
The current files now reside in RGG Session plugin, and the cmb superbuild now includes them when building the modelbuilder package.
A GitLab update will be applied on May 9th, between 8am and 10am, EDT (UTC-04:00). This site may have intermittent delays during that time.
The current files now reside in RGG Session plugin, and the cmb superbuild now includes them when building the modelbuilder package.