Tiny followup on this. As there was no major pushback on this I've
created request to have next release of spec-cleaner to drop the group
tag if encountered:
Q: Do I have to do anything?
A: Nothing unless you want to, if you use spec-cleaner it will be auto
Q: What about SLE and backporting to older releases?
A: Packages without groups will generate RPMlint warning, but apart
from that are okay for submission (again the group is not really
visible to the end