cleanup: remove support for FreeBSD 13.0 which expired today.
- Mk/bsd.port.mk: mark 13.0 as unsupported
- Tools/scripts/portsearch: Drop support for FreeBSD <= 4
- archivers/zstd: revert "Fix build on FreeBSD 13.0"
- deskutils/xdg-desktop-portal: remove check for 13.0
- devel/libpeas: remove outdated comment
- editors/imhex: remove compatibility for 13.0
- editors/libreoffice: remove compatibility for 13.0
- editors/openoffice-4: remove compatibility for 13.0
- editors/openoffice-devel: remove compatibility for 13.0
- emulators/linux_base-c7: remove compatiblity for 13.0
- graphics/drm-kmod: remove detection for 13.0
- graphics/gpu-firmware-amd-kmod: do not check 13.0 anymore
- graphics/linux-c7-libdrm: remove support for 13.0
- math/igraph: remove support for 13.0
- net/asterisk16: drop support for ancient FreeBSD versions
- net/asterisk18: drop support for ancient FreeBSD versions
- security/openssl*: drop now obsolete patches
- sysutils/bhyve+: drop support for FreeBSD 13.0
- sysutils/ebsnvme-id: drop support for FreeBSD 13.0
- sysutils/openzfs: remove detection of FreeBSD 13.0
- sysutils/openzfs-kmod: drop detection of FreeBSD 13.0
- www/firefox: generalize pkg-message a bit regarding hgame(4)
- x11/xorg-cf-files: remove support for FreeBSD < 6 (yes, pre-2008)
While here, regenerate patches for:
- x11/xorg-cf-files
- net/asterisk16
- net/asterisk18
While here, remove a stale $Id$ from Tools/scripts/portsearch
Differential Revision: https://reviews.freebsd.org/D36233
Reviewed by: office (fluffy), x11 (manu), arrowd, brnrd, cperciva, freqlabs, imp, jbeich, madpilot, nobutaka