su
mount -t rfs -o remount,rw /dev/block/stl9 /system
rm /sdcard/Superuser.apk
rm system/xbin/busybox
rm /system/xbin/su
rm /sdcard/su
rm /sdcard/busybox
mount -t rfs -o remount,ro /dev/block/stl9 /system
exit (first "exit" takes you out of su)
exit (second "exit" takes you out of the terminal)
reboot
mount -t rfs -o remount,rw /dev/block/stl9 /system
rm /sdcard/Superuser.apk
rm system/xbin/busybox
rm /system/xbin/su
rm /sdcard/su
rm /sdcard/busybox
mount -t rfs -o remount,ro /dev/block/stl9 /system
exit (first "exit" takes you out of su)
exit (second "exit" takes you out of the terminal)
reboot