cleanup: remove 'Created by' lines
A big Thank You to the original contributors of these ports:
- Akinori MUSHA <knu@FreeBSD.org>
- Alejandro Pulver <alepulver@FreeBSD.org>
- Edwin Groothuis <edwin@freebsd.org>
- Ernst de Haan <znerd@FreeBSD.org>
- Florent Thoumie <flz@FreeBSD.org>
- Gabor Kovesdan <gabor@FreeBSD.org>
- Mark Linimon <linimon@FreeBSD.org>
- Shaun Amott <shaun@inerd.com>
With hat: portmgr
Reported by: mat