net-mgmt/netbox: Update to 2.10.3

* Prune obsolete update instructions/notes for NetBox releases prior 2.7.

Notable changes since 2.9.11:

It contains many bugfixes/enhancements and the following new features:

* Route Targets
* REST API bulk deletion
* REST API bulk update
* Reimplementation of custom fields
* Improved cable trace performance

https://github.com/netbox-community/netbox/blob/v2.10.3/docs/release-notes/version-2.10.md

net/hblock: Update to 3.2.0

Changes: https://github.com/hectorm/hblock/compare/v3.1.1...v3.2.0
Approved by: tcberner (mentor)
Differential Revision: https://reviews.freebsd.org/D28319

www/py-django-treebeard: Update to 4.4

* Make package concurrent safe because it installs documentation files
outside Python's site-lib directory.

* Add a "do-test" target to make future QA easier.

Changelog:

https://github.com/django-treebeard/django-treebeard/blob/4.4/CHANGES.md

www/py-django-bootstrap3: Update to 14.2.0

* Update WWW field to spare redirects.

Changelog since 11.1.0:

https://github.com/zostera/django-bootstrap3/blob/v14.2.0/CHANGELOG.md

textproc/py-gfm: Deprecate/Set to expire

* The project was abandonded by upstream.

- Chase gfortran10 and do not force Gcc any more;

- Mark french/aster BROKEN untill a solution is found for PR 252916.

PR: 252916

dns/dnsmasq: regression fixes from upstream Git

Apparently there are situations where dnsmasq 2.83 can confuse
its peers or sockets, and the upstream Git contains fixes for them.

These four fixes essentially take dnsmasq to 2.84test3.

Obtained from: Simon Kelley <simon@thekelleys.org.uk>'s Git repository

Remove expired ports:

2021-01-23 sysutils/bareos16-client: Unmaintained, please migrate to a newer version of bareos
2021-01-23 sysutils/bareos16-client-static: Unmaintained, please migrate to a newer version of bareos
2021-01-23 sysutils/bareos16-server: Unmaintained, please migrate to a newer version of bareos
2021-01-23 www/bareos16-webui: Unmaintained, please migrate to a newer version of bareos

Update to upstream release 0.22.4.

Details:
- Mostly bug fixes, see
https://raw.githubusercontent.com/MusicPlayerDaemon/MPD/v0.22.4/NEWS
- While on it, remove no longer necessary USES=gnome, reported in
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=252852
by Oleh Vinichenko <moonlapse81@gmail.com>

MFH: 2021Q1

graphics/kamera: USES+=localbase

Needed for upcoming libgphoto update