That's just a language file or folder and probably surplus and wasting about 4GB± or more drive space with all the other such surplus language files if you only need or use "english" on your Mac.
That's localization information for an app, specifically to add Taiwanese Mandarin support. You mention GitHub in the title - are you checking out code?
I do not speak or use any foreign language. I don't use jenkins. I use mail and messages. There's MUCH extraneous java coding on macbook. Could you recommend a macbook consultant to clear macbook. Tried to reinstall mac osx last week and it spun.
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