Remove AIW support code, it is unfit for ffmpeg svn, doing usleep() and

colorspace convertion and deinterlacing in the demuxer. Whoever wants
AIW support has to implement this cleanly!


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@11335 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b