yep, ive not looked to closely at the rear diff, but if the CV bolts on, then simply unbolting it from the diff and pulling it out the hub should work once you've undone the bolt/nut, you should hopefully manage to get it out without having to touch the suspension arms. If its not bolt on, then you will probably have to undo the upper or lower link on the suspension to get enough room to pull the flange out the diff.
You will need someone to stand on the brakes while you undo the nut, and you will need to leave some wheel bolts in to stop the disk spinning on the hub. You might be able to do it with the car on the ground and the little centre cap off the wheel to make it easier to loosen.