Languages that have been abandoned or are not yet sufficiently
translated are not shipped with release. The po files and existing
translations remain and will be re-enabled post release for future
development
Prior to release, we will disable languages that don't meet our criteria
(minimum translation > 75%) but we want to keep the languages available
for translation. LINGUAS lists all languages available.
LINGUAS_INSTALL lists just the languages that will be installed for use
in KiCad. Right now they are the same content. This will be changed
prior to v6 release
Seth Hillbrand