Remove incorrect arg for i18n.merge_file
i18n.merge_file
has been ignoring positional arguments and
explicitly rejects with error "ERROR: Function does not take
positional arguments" since meson 0.60.0
i18n.merge_file
has been ignoring positional arguments and
explicitly rejects with error "ERROR: Function does not take
positional arguments" since meson 0.60.0