es.po: revert sort-keys translations
es.po: revert sort-keys translations

They are incomplete ("random" is missing), but I can't update them
because I don't speak Spanish. Reverting to English for now.

Kudos to @dennisschagt for triaging this.

Fixes #1028.

newsboat/newsboat,newsboat/newsboat,der-lyse/newsboat,der-lyse/newsboat,der-lyse/newsboat,newsboat/newsboat,newsboat/newsboat,newsboat/newsboat,newsboat/newsboat,newsboat/newsboat,der-lyse/newsboat,der-lyse/newsboat,der-lyse/newsboat,newsboat/newsboat,der-lyse/newsboat,der-lyse/newsboat