That's what I was thinking too, that purge should remove it when found, since Ubuntu uses separate files in /var/lib/locales/supported.d/ that get installed by language-pack-** anyhow nowadays.
However, in the event that someone would need to generate legacy locales e.g. Latin or KOI-8, the correct procedure for creating a directory there to add them as needed would need to be documented too.
That's what I was thinking too, that purge should remove it when found, since Ubuntu uses separate files in /var/lib/ locales/ supported. d/ that get installed by language-pack-** anyhow nowadays.
However, in the event that someone would need to generate legacy locales e.g. Latin or KOI-8, the correct procedure for creating a directory there to add them as needed would need to be documented too.