code: @DELETE
      @Path("/{locale}")
      @RequiresPermissions(I18nPermissions.LOCALE_DELETE)
      public Response deleteAvailableLocale(@PathParam("locale") String locale) {
          WebAssertions.assertNotBlank(locale, LOCALE_SHOULD_NOT_BE_BLANK);
          if (locale != null) {
              localeRepository.remove(locale);
          } else {
              return Response.status(Response.Status.NOT_FOUND).build();
          }
          return Response.noContent().build();
      }
docs: Deletes an available locale.
  Requires "seed:i18n:locale:delete" permission
  
  @param locale locale identifier
  @return status code 204 (no content)