[Trisquel-announce] Robur, Dagda and Brigantia moved to oldarchive

[Rubén Rodríguez Pérez]

As a bit of early spring cleaning, today the following unsupported old
releases were removed from archive.trisquel.info and its mirrors:

* Trisquel GNU/Linux 2.0 LTS "Robur"
* Trisquel GNU/Linux 5.0 STS "Dagda"
  * Trisquel GNU/Linux 5.5 STS "Brigantia"