deskutils/bigyear: Deprecate and set expiration date to 2024-02-29

Last update in 2001 and dead upstream, redirect users to deskutils/pal
and while at it return port to pool

Approved by:	portmgr

deskutils/bigyear/Makefile

@@ -5,10 +5,12 @@ CATEGORIES=	deskutils
 MASTER_SITES=	https://BSDforge.com/projects/source/deskutils/bigyear/
 DISTNAME=	${PORTNAME}
 
-MAINTAINER=	portmaster@BSDforge.com
+MAINTAINER=	ports@FreeBSD.org
 COMMENT=	Program to print a large (one month per page) calendar
 
 BROKEN=		Unfetchable
+DEPRECATED=	Last release in 2001 and dead upstream, consider using deskutils/pal
+EXPIRATION_DATE=2024-02-29
 
 MAKE_ARGS=	CC="${CC}" CFLAGS="${CFLAGS}"