Webauthn Keys you have registered for 2nd factor authentication. To remove a key simply click the delete button next to it. Disabling all keys will turn off 2FA on your account.
You have not registered any Webauthn Keys.
Once this device is removed, Two-Factor Authentication will be disabled on your account.
Once this device is removed, Two-Factor Authentication will still be enabled as you have other U2F devices associated with your account.