If you are confident in your ability to take on this task then by all means go ahead. many do. At the end of the day its just a big sticker, much unlike other types of jobs someone can take on with their vehicles that involves real risk and in that a potential to cost you big.
Very light adhesive and a clay bar would take it out. But don't get it confused, clay bars can do an extreme amount of damage if the wrong one is used, if there is insufficient lubricant, and if you use the wrong technique.