x11-themes: remove 'Created by' lines
A big Thank You to the original contributors of these ports:
- Alexander Vereeken <Alexander88207@protonmail.com>
- Alexey Dokuchaev <danfe@FreeBSD.org>
- Alexey Mikhailov <karma@ez.pereslavl.ru>
- Babak Farrokhi <babak@farrokhi.net>
- David Naylor <naylor.b.david@gmail.com>
- Douglas Thrift <douglas@douglasthrift.net>
- Emanuel Haupt <ehaupt@FreeBSD.org>
- Eygene Ryabinkin <rea-fbsd@codelabs.ru>
- Filippo Natali <filippo@widestore.net>
- Grzegorz Blach <gblach@FreeBSD.org>
- Gustau Perez i Querol <gustau.perez@gmail.com>
- Gustau Pérez i Querol <gustau.perez@gmail.com>
- Jesper Schmitz Mouridsen
- Joe Marcus Clarke <marcus@FreeBSD.org>
- Jonathan Chen <jonc@chen.org.nz>
- Kris Moore <kmoore@FreeBSD.org>
- Marie Loise Nolden <loise@kde.org>
- Mario Sergio Fujikawa Ferreira <lioux@FreeBSD.org>
- Martin Wilke <miwi@FreeBSD.org>
- Matthias Petermann <matthias@petermann-it.de>
- Michael Johnson <ahze@FreeBSD.org>
- Nicola Stanislao Vitale <nivit@FreeBSD.org>
- Nicole Reid <root@cooltrainer.org>
- Olivier Duchateau
- Oyvind Albrigtsen
- Pawel Pekala <pawel@FreeBSD.org>
- Phillip Neumann <pneumann@gmail.com>
- Piotr Smyrak <smyru@heron.pl>
- Remington Lang <MrL0L@charter.net>
- Romain Tartiere <romain@blogreen.org>
- Tom McLaughlin <tmclaugh@sdf.lonestar.org>
- Veniamin Gvozdikov <vg@FreeBSD.org>
- archfan <mail_me@riseup.net>
- chinsan
- gahr
- lightside <lightside@gmx.com>
- olgeni@FreeBSD.org
With hat: portmgr