lang/cmucl and lang/cmucl-extra: Deprecate ports

lang/cmucl is not supported upstream since 2017 and broken since FreeBSD
12.1.

PR: 246640
Reported by: Bertrand Petit <bsdpr@phoe.frmug.org>
Reviewed by: diizzy
Approved by: gerald (mentor)
Differential Revision: https://reviews.freebsd.org/D35163