maintainer-feedback requested: [Bug 259466] java/icedtea-web: Update to 1.8.7

From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 26 Oct 2021 21:27:07 UTC
Bugzilla Automation <bugzilla@FreeBSD.org> has asked freebsd-java (Nobody)
<java@FreeBSD.org> for maintainer-feedback:
Bug 259466: java/icedtea-web: Update to 1.8.7
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=259466



--- Description ---
This patch updates the port to the latest release.
While I was at it, I also made a few changes to make portlint happy. I also
removed some old dependencies and conditions.