- reset maintainer

- trim Makefile header while here

Actually maintainer asked to remove this port, but I see no point
there, because there is newer version on pypi:
https://pypi.python.org/pypi/pyx12

so this port just need to be updated and stay here.

PR:		170786
Submitted by:	John Holland <jholland@kazoocmh.org> (maintainer)

textproc/py-pyx12/Makefile

@@ -1,9 +1,5 @@
-# New ports collection makefile for:	pyx12
-# Date created:		29 Jan 2004
-# Whom:			john@zoner.org
-#
+# Created by: john@zoner.org
 # $FreeBSD$
-#
 
 PORTNAME=	pyx12
 PORTVERSION=	1.5.0
@@ -12,7 +8,7 @@ MASTER_SITES=	SF
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 DISTNAME=	pyx12-${PORTVERSION:S/.b/b/}
 
-MAINTAINER=	jholland@kazoocmh.org
+MAINTAINER=	ports@FreeBSD.org
 COMMENT=	Validate and convert HIPAA X12 documents
 
 BUILD_DEPENDS=	${PYTHON_SITELIBDIR}/libxml2.py:${PORTSDIR}/textproc/py-libxml2 \