Remove unused code related to software license

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/144684



Merged-by: Jan Provaznik <jprovaznik@gitlab.com>
Approved-by: Andy Soiron <asoiron@gitlab.com>
Approved-by: Jan Provaznik <jprovaznik@gitlab.com>
Co-authored-by: mc_rocha <mrocha@gitlab.com>