As you encounter items in the code that could perhaps be purged, list em here.
 
 *: grid universe mirror jobs
-*: gridmanager per job
 *: any backwards compatibility code that predates  v6.8 or so (grep for version object usage?)
 *: any compatibility with CRUFT in its name, e.g. VM_CRUFT
 *: any remaining pvm code (exists in submit, schedd, shadow, starter, startd)