message: server.js: `app.del()` --> `app.delete()`
  Remove deprecation warnings when the server is initiated.
diff: @@ -248,7 +248,7 @@ app.use('/api/PrivacyRequests/:id', insecurity.isAuthorized())
  app.post('/api/Cards', insecurity.appendUserId())
  app.get('/api/Cards', insecurity.appendUserId(), payment.getPaymentMethods())
  app.put('/api/Cards/:id', insecurity.denyAll())
  -app.del('/api/Cards/:id', insecurity.appendUserId(), payment.delPaymentMethodById())
  +app.delete('/api/Cards/:id', insecurity.appendUserId(), payment.delPaymentMethodById())
  app.get('/api/Cards/:id', insecurity.appendUserId(), payment.getPaymentMethodById())
  /* PrivacyRequests: Only POST allowed for authenticated users */
  app.post('/api/PrivacyRequests', insecurity.isAuthorized())
  @@ -258,7 +258,7 @@ app.use('/api/PrivacyRequests/:id', insecurity.denyAll())
  app.post('/api/Addresss', insecurity.appendUserId())
  app.get('/api/Addresss', insecurity.appendUserId(), address.getAddress())
  app.put('/api/Addresss/:id', insecurity.appendUserId())
  -app.del('/api/Addresss/:id', insecurity.appendUserId(), address.delAddressById())
  +app.delete('/api/Addresss/:id', insecurity.appendUserId(), address.delAddressById())
  app.get('/api/Addresss/:id', insecurity.appendUserId(), address.getAddressById())
  /* Verify the 2FA Token */
  