Remove hefur as torrent tracker

The magnet uri's and torrent files no longer include a torrent tracker
link so running the service is obsolete.

README.md

@@ -153,7 +153,6 @@ The following steps should be used to update our managed servers:
   - repos/sync (repos.archlinux.org)
   - sources (sources.archlinux.org)
   - archive (archive.archlinux.org)
-  - torrent tracker hefurd (tracker.archlinux.org)
 
 ### luna
 

docs/torrent-tracker.md

-# ISO Torrent Tracker
-
-Arch Linux runs a torrent tracker for the Arch Linux ISO on
-tracker.archlinux.org and the tracker software used is hefur.
-
-The torrent files are rsync'd from rsync.archlinux.org to the server where
-hefurd.

playbooks/orion.yml

@@ -21,6 +21,5 @@
     - sogrep
     - { role: sudo, tags: ['archusers'] }
     - { role: archweb, archweb_site: false, archweb_services: false, archweb_donor_import: true, archweb_mirrorcheck_locations: [5, 6] }
-    - { role: hefur, ftp_iso_dir: '/srv/ftp/iso', tags: ['torrenttracker']}
     - wkd
     - { role: fail2ban }

roles/hefur/tasks/main.yml

----
-- name: install required packages
-  pacman: name=hefur
-
-- name: create override dir
-  file: path=/etc/systemd/system/hefurd.service.d state=directory
-
-- name: copy systemd override
-  template: src=override.conf.j2 dest=/etc/systemd/system/hefurd.service.d/override.conf owner=root group=root mode="u=rw,g=r,o=r"
-
-- name: start and enable hefurd service
-  service: name="hefurd.service" enabled=yes state=started
-
-- name: open firewall hole for hefurd
-  firewalld: port=6969/tcp permanent=true state=enabled immediate=yes
-  when: configure_firewall
-  tags:
-    - firewall

roles/hefur/templates/override.conf.j2

-[Service]
-ExecStart=
-ExecStart=/usr/bin/hefurd -disable-peers-page -torrent-dir {{ ftp_iso_dir }}
-Restart=on-failure
-NoNewPrivileges=true
-ProtectSystem=strict
-MemoryMax=1G