prevent double ignore comments

[eranshabi]

function getTranslation(translations: TranslationDictionary): TranslationFunction {
/* istanbul ignore else */
/* istanbul ignore else */
  return (translationKey: string, values: {} = {}, fallback: string = '') => {
    if (!translations[translationKey]) {
      return fallback;
    }
    return translate(translations[translationKey], values);
  };
}