function resetValidationMessage() {
  const domCache = privateProps.domCache.get(this)
  if (domCache.validationMessage) {
    dom.hide(domCache.validationMessage)
  }

  const input = this.getInput()
  if (input) {
    input.removeAttribute('aria-invalid')
    input.removeAttribute('aria-describedby')
    dom.removeClass(input, swalClasses.inputerror)
  }
}
Hide block with validation message

@this {SweetAlert}