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
9fce47c2df