Remove dead code in reds_fill_channels()
Remove dead code in reds_fill_channels()

channels_info->num_of_channels is assigned, its value is not used, and
then it's assigned a different value. The first assignment can be
removed.

Acked-by: Jonathon Jongsma <c7254805a17bd5c41e24c3a278fcbf3afcdfb0fa@redhat.com>

fgouget/spice,fgouget/spice,fgouget/spice,fgouget/spice