[aur-general] Remove xvba-video-open

[lukpod]

Remove xvba-video-open[1]. It has been superseded by 
libva-xvba-driver[2].

[1] https://aur.archlinux.org/packages/xvba-video-open
[2] https://aur.archlinux.org/packages/libva-xvba-driver