examples/spiceqxl.xorg.conf.example: fix in vm usage.
examples/spiceqxl.xorg.conf.example: fix in vm usage.

RHBZ #785373

workaround vmmouse segfault by disabling udev in
spiceqxl.xorg.conf.example.
We don't really need it anyway since we explicitly specify drivers for
video keyboard and mouse.

facboy/xserver-xorg-video-qxl,fgouget/xf86-video-qxl,facboy/xserver-xorg-video-qxl,dezelin/xf86-video-qxl,sombrafam/virtioqxl-xf86-video-qxl,fgouget/xf86-video-qxl,sombrafam/virtioqxl-xf86-video-qxl,fgouget/xf86-video-qxl,facboy/xserver-xorg-video-qxl,dezelin/xf86-video-qxl,dezelin/xf86-video-qxl,facboy/xserver-xorg-video-qxl,sombrafam/virtioqxl-xf86-video-qxl,fgouget/xf86-video-qxl