async function disableCalendar(selector) {
  const calendar = await this.gladys.calendar.update(selector, {
    sync: false,
    ctag: null,
    sync_token: null,
  });

  await this.gladys.calendar.destroyEvents(calendar.id);
  logger.info(`Calendar ${selector} disabled & emptied`);
  return calendar;
}
@description Disable calendar synchronization.
@param {string} selector - Calendar selector to update.
@returns {Promise<object>} Resolve with updated calendar.
@example
disableCalendar('personnal')