Yes it can.
In the middle of the dock remove the screw cover and undo the single screw.
You should now be able to pull off the cover plate behind off and disconnect the interface box that will be stuck inside. There is then a another cable going to the going from the interface box to the CD changer port in the headunit loom. This can just be left in place unless your planning on selling the iPod kit.
The dealer can then supply a blanking plate to cover the hole leave by the kit
When I am home tomorrow I can get your the part number if you need it.