cleanup: Remove expired ports:

2025-06-14 devel/bugzilla44: Upstream support ended 20250103
german/bugzilla44: localized version of devel/bugzilla44
japanese/bugzilla44: localized version of devel/bugzilla44
russian/bugzilla44: localized version of devel/bugzilla44

Event:	Kitchener-Waterloo Hackathon 202506