Merge tag 'l10n-2.21.0-rnd2.1' of git://github.com/git-l10n/git-po

L10n for Git 2.21.0 round 2.1 * tag 'l10n-2.21.0-rnd2.1' of git://github.com/git-l10n/git-po: l10n: Fixes to Catalan translation l10n: Updated Vietnamese translation for v2.21 rd2 l10n: fr.po remove obsolete entries