converters: remove 'Created by' lines

A big Thank You to the original contributors of these ports:

  *  Aaron Dalton <aaron@FreeBSD.org>
  *  Akinori MUSHA aka knu <knu@idaemons.org>
  *  Alex Keda <admin@lissyara.su>
  *  Alex Semenyaka <alex@rinet.ru>
  *  Alexandr Kovalenko <never@nevermind.kiev.ua>
  *  Andreas Klemm <andreas@klemm.gtn.com>
  *  Andrey A. Chernov <ache@FreeBSD.org>
  *  Anton Berezin <tobez@FreeBSD.org>
  *  Blaz Zupan <blaz@amis.net>
  *  Brent J. Nordquist <bjn@visi.com>
  *  Carlos J. Puga Medina <cpm@fbsd.es>

Remove # $FreeBSD$ from Makefiles.

Drop python 2.7 support from a few ports

With hat:	portmgr

converters/py-bsdconv: switch to PYTHON_EXT_SUFFIX

Remove ${PORTSDIR}/ from dependencies, Mk and categories a, b, and c.

With hat:	portmgr
Sponsored by:	Absolight

- Update to 11.3.0
- Strip shared library

Changes:	https://github.com/buganini/python-bsdconv/releases
PR:		201014
Submitted by:	sunpoet (myself)
Approved by:	Kuan-Chung Chiu <buganini@gmail.com> (maintainer)

Update ports in the [bcd]* categories to not use GH_COMMIT.

With minor cleanups to make things simpler.

With hat:	portmgr
Sponsored by:	Absolight

Update "BSD" license for buganini's ports

- Convert ports from cad/, chinese/, comms/ and converters/ to new
  USES=python

Approved by:	portmgr (implicit)

- Stage

PR:		ports/188595
Submitted by:	Bartek Rutkowski <ports@robakdesign.com>
Approved by:	portmgr@ (blanket)

- Update to 11.1.0
- While I'm here, convert to new LIB_DEPENDS format

Changes:	https://github.com/buganini/python-bsdconv/commits/master
PR:		ports/182261
Submitted by:	Kuan-Chung Chiu <buganini@gmail.com> (maintainer)

Add NO_STAGE all over the place in preparation for the staging support (cat:
converters)

- Update to 10.0.0

PR:		ports/178135
Submitted by:	Kuan-Chung Chiu <buganini@gmail.com> (maintainer)

- Use GH_ACCOUNT in DISTNAME

Suggested by:	sunpoet
Approved by:	Kuan-Chung Chiu <buganini@gmail.com> (maintainer)

- Update bsdconv and wrappers to 9.0 [1]
- Switch to USE_GITHUB for fetching
- Update to new header format
- Mark converters/bsdconv as MAKE_JOBS_UNSAFE
- Add prefix into DISTNAMEs to avoid conflicts

Changelog for converters/bsdconv:
 9.0:
  fix for MinGW
  export bsdconv_malloc/bsdconv_free
  add {from,to}/CCCII
  add inter/ZH-STRINGS
  internal API changes for use of bsdconv_ctl in wrappers
  bugfixes

- Force commit to note the previous update is actually 7.5, not 7.3

- Update to 7.3
- While I'm here, pet portlint by removing ABI version number from LIB_DEPENDS

Changes:
- info(): add width information

Submitted by:   Kuan-Chung Chiu <buganini@gmail.com> (maintainer, via IRC)

- Update to 7.3

Changes:        https://github.com/buganini/python-bsdconv/commits/master
PR:             ports/163949
Submitted by:   Kuan-Chung Chiu <buganini@gmail.com> (maintainer)

- Update to 7.2

Changes:        https://github.com/buganini/python-bsdconv/commits/master
PR:             ports/163695
Submitted by:   Kuan-Chung Chiu <buganini@gmail.com> (maintainer)

- Update to 7.1

Changes:
- Update README
- Use PyObject_DEL instead of PyObject_Del
- Add testconv(), testconv_chunk(), testconv_chunk_last(), testconv_file()

PR:             ports/163532
Submitted by:   Kuan-Chung Chiu <buganini@gmail.com> (maintainer)

- Update to 7.0

Changes:
- OO-style wrapping
- Chase changes in bsdconv

PR:             portsr/162654
Submitted by:   Kuan-Chung Chiu <buganini@gmail.com> (maintainer)
Feature safe:   yes

- Update to 6.6

Changes:
- Compatibiliy with python 3
- Fix bug in PyObject deletion

PR:             ports/162184
Submitted by:   Kuan-Chung Chiu <buganini@gmail.com> (maintainer)

- Update to 6.0

PR:             ports/162173
Submitted by:   Kuan-Chung Chiu <buganini@gmail.com> (maintainer)

- Chase converters/bsdconv shlib version bump
- Bump PORTREVISION

- Update bsdconv family to 5.0
- While I'm here, update WWW of converters/*-bsdconv

Changes:       
https://github.com/buganini/bsdconv/blob/6a43b56713fe84c0a198c4f712b2b9d13ce3f3cf/Changelog
PR:             ports/157306
Submitted by:   Kuan-Chung Chiu <buganini@gmail.com> (maintainer)

- Update to 4.6

Submitted by:   Kuan-Chung Chiu <buganini@gmail.com> (maintainer, via IRC)

- Use converters/bsdconv as master port

PR:             ports/156439
Submitted by:   Kuan-Chung Chiu <buganini@gmail.com> (maintainer)

- Update to 4.3

PR:             ports/153741
Submitted by:   Kuan-Chung Chiu <buganini@gmail.com> (maintainer)
Feature safe:   yes

- Update bsdconv and related to 3.6.2
  * More inter-mapping conversion
  * Add transliteration table for CP950/CP936
  * No known bug, valgrind clean now

PR:             ports/147866
Submitted by:   Kuan-Chung Chiu <buganini@gmail.com> (maintainer)

BSD licensed charset/encoding converter library with more function than
libiconv. (Currently, only a few codecs are supported)
This port is a python wrapper for bsdconv.

WWW: http://github.com/buganini/bsdconv/

PR:             ports/139524
Submitted by:   buganini at gmail.com