These owners do not have the bandwidth/energy to do the reviews which
makes PRs stall and this ownership claim flawed. We can bring people
back when the situation is different.
Follow-up to c04c78ac87Closes#10386
- they are mostly pointless in all major jurisdictions
- many big corporations and projects already don't use them
- saves us from pointless churn
- git keeps history for us
- the year range is kept in COPYING
checksrc is updated to allow non-year using copyright statements
Closes#10205