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

Mk/Uses/xorg.mk

@@ -1,5 +1,4 @@
 # Originally from bsd.xorg.mk
-# Created by: Florent Thoumie <flz@FreeBSD.org>
 #
 # Feature:		xorg
 # Usage:		USES=xorg

Mk/bsd.commands.mk

@@ -1,6 +1,5 @@
 # bsd.commands.mk - Common commands used within the ports infrastructure
 #
-# Created by: Gabor Kovesdan <gabor@FreeBSD.org>
 #
 # DO NOT COMMIT CHANGES TO THIS FILE BY YOURSELF, EVEN IF YOU DID NOT GET
 # A RESPONSE FROM THE MAINTAINER(S) WITHIN A REASONABLE TIMEFRAME! ALL

Mk/bsd.destdir.mk

@@ -3,7 +3,6 @@
 #
 # bsd.destdir.mk - Support for chrooted installation
 #
-# Created by: Gabor Kovesdan <gabor@FreeBSD.org>
 #
 # Please make sure all changes to this file are passed through the maintainer.
 

Mk/bsd.gcc.mk

@@ -3,7 +3,6 @@
 #
 # bsd.gcc.mk - Support for smarter USE_GCC usage.
 #
-# Created by: Edwin Groothuis <edwin@freebsd.org>
 #
 # To request the use of a current version of GCC, specify USE_GCC=yes in
 # your port/system configuration.  This is the preferred use of USE_GCC.

Mk/bsd.java.mk

@@ -3,7 +3,6 @@
 #
 # bsd.java.mk - Support for Java-based ports.
 #
-# Created by: Ernst de Haan <znerd@FreeBSD.org>
 #
 # For FreeBSD committers:
 # Please send all suggested changes to the maintainer instead of committing

Mk/bsd.licenses.db.mk

@@ -8,7 +8,6 @@ Licenses_db_Include_MAINTAINER=         portmgr@FreeBSD.org
 #
 # bsd.licenses.db.mk - License database for bsd.licenses.mk
 #
-# Created by: Alejandro Pulver <alepulver@FreeBSD.org>
 #
 # Please view me with 4 column tabs!
 #

Mk/bsd.licenses.mk

@@ -8,7 +8,6 @@ Licenses_Include_MAINTAINER=         portmgr@FreeBSD.org
 #
 # bsd.licenses.mk - License auditing framework.
 #
-# Created by: Alejandro Pulver <alepulver@FreeBSD.org>
 #
 # Please view me with 4 column tabs!
 #

Mk/bsd.local.mk

@@ -1,6 +1,5 @@
 # bsd.local.mk - Sandbox for local modification to ports framework.
 #
-# Created by: Mark Linimon <linimon@FreeBSD.org>
 
 .if !defined(_POSTMKINCLUDED) && !defined(Local_Pre_Include)
 

Mk/bsd.port.options.mk

@@ -8,7 +8,6 @@
 #	<other work, including adjusting dependencies>
 #	.include "bsd.port.post.mk"
 #
-# Created by: Shaun Amott <shaun@inerd.com>
 
 OPTIONS_Include_MAINTAINER=		portmgr@FreeBSD.org
 

Mk/bsd.ruby.mk

@@ -1,6 +1,5 @@
 # bsd.ruby.mk - Utility definitions for Ruby related ports.
 #
-# Created by: Akinori MUSHA <knu@FreeBSD.org>
 
 .if !defined(Ruby_Include)
 

Mk/bsd.wx.mk

@@ -1,6 +1,5 @@
 # bsd.wx.mk - Support for wxWidgets based ports.
 #
-# Created by: Alejandro Pulver <alepulver@FreeBSD.org>
 #
 # The following variables can be defined in a port that uses the wxWidgets
 # library, contributed libraries, WxPython and/or more wxWidgets related