remove unecessary check if m_serial is set
remove unecessary check if m_serial is set

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