Refactor the codebase to use Locale's language tag functionality#1374

Isira-Seneviratne wants to merge 4 commits intoTeamNewPipe:devTeamNewPipe/NewPipeExtractor:devfrom

Isira-Seneviratne:Remove-LocaleCompatIsira-Seneviratne/NewPipeExtractor:Remove-LocaleCompatCopy head branch name to clipboard