[aur-general] Removal Requests

[Luca Bennati]

kradio4-svn https://aur.archlinux.org/packages.php?ID=23872 upstream
switched to git
kradioripper https://aur.archlinux.org/packages.php?ID=19984 upstream
renamed to kstreamripper (already in AUR, maintained by me)
kradioripper-kde4 https://aur.archlinux.org/packages.php?ID=20433 same