Although Two-Factor Authentication is mandatory to set up, you are able to temporarily deactivate it should you wish to set it up using a different method or application.
To deactivate the 2FA on your account, follow the steps below:
Tap on Settings.
Tap the box near Enable 2FA via an Authenticator App.
Enter the 6-digit code that is provided to you on your authenticator app.
Tap on Disable 2FA.