message: Remove unused ensureString
diff: @@ -79,15 +79,6 @@ function getLanguageToUse(): i18n.LanguageCode {
  .getBestSupportedLanguage(userLanguages);
  }
  -function ensureString(queryParam: string|string[]): string {
  - if (Array.isArray(queryParam)) {
  - // We pick the last one if the parameter appears multiple times.
  - return queryParam[queryParam.length - 1];
  - } else {
  - return queryParam;
  - }
  -}
  -
  document.addEventListener('WebComponentsReady', () => {
  // Parse URL query params.
  const params = new URL(document.URL).searchParams;
  