message: Remove obsolete captcha function
  (got merged in the wrong way)
diff: @@ -92,13 +92,3 @@ exports.isRedirectAllowed = url => {
  }
  return allowed
  }
  -
  -exports.verifyCaptcha = () => (req, res, next) => {
  - models.Captcha.findOne({ where: { captchaId: req.body.captchaId } }).then(captcha => {
  - if (req.body.captcha === captcha.dataValues.answer) {
  - next()
  - } else {
  - res.status(401).send('Wrong answer to CAPTCHA. Please try again.')
  - }
  - })
  -}
  