remove debugging for every encode case and add debug for failure
remove debugging for every encode case and add debug for failure

Yubico/yubikey-personalization-gui,eworm-de/yubikey-personalization-gui,eworm-de/yubikey-personalization-gui,Yubico/yubikey-personalization-gui,Yubico/yubikey-personalization-gui,eworm-de/yubikey-personalization-gui