gst-plugins-bad-1.0: Drop removed vdpau configure option
gst-plugins-bad-1.0: Drop removed vdpau configure option

It was completely removed from -bad

nirbheek/cerbero,atsushieno/cerbero,nirbheek/cerbero,GStreamer/cerbero,atsushieno/cerbero,nirbheek/cerbero,GStreamer/cerbero,atsushieno/cerbero,GStreamer/cerbero,atsushieno/cerbero,GStreamer/cerbero,atsushieno/cerbero,GStreamer/cerbero,nirbheek/cerbero