[aur-general] Request removal: ffmpeg-amr, ffmpeg-amr-svn

ffmpeg-amr http://aur.archlinux.org/packages.php?ID=18501 ffmpeg-amr-svn http://aur.archlinux.org/packages.php?ID=15908 Both are recently orphaned and not required by any other package. Obsoleted by ffmpeg in Extra.