- For the generic viewer we use @fluent/dom and @fluent/bundle
- For the builtin pdf viewer in Firefox, we set a localization url
and then we rely on document.l10n which is a DOMLocalization object.
With the sole exception of `meh`[1], none of the locales removed here have even been updated since the last change was made to the default `en-US` locale.
Please note that if/when these locales would start shipping in Nightly again, they will automatically be re-added in PDF.js as well with the `gulp importl10n` command.
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[1] The current translation is also somewhat incomplete, to put it mildly.
