print/ghostscript7*: Deprecate and set expiration date to 2023-06-30
7.X-series are more than 20 years old by now and have been unsupported
for almost as long so it's about time to let go of these ports.
Reference:
https://ghostscript.com/pipermail/gs-devel/2003-May/006281.html
PR: 269351, 269352, 269353, 269354, 269355
Reported by: Michael Osipov <michael.osipov@siemens.com>
Approved by: portmgr (maintainer timeout, 1+ month)