Update language.h to add OneUp/TwoUp ID info
Update language.h to re-brand as Up-Marlin
Revert "Update language.h to re-brand as Up-Marlin"

This reverts commit e15fb9066924e82f959d278b83c0c25486e0d72e.
Update language.h to re-brand as Up-Marlin

This time without mangling unicode text.