I just did mine yesetrday. Soaked it in Goo Gone, tbh it didn't really help. I'm guessing my bike was sitting the Texas heat before I bought it. I then used a plastic pry bar to scratch it off. PITA but I got it done and didn't scratch the paint.
Try the true and trusted WD-40. Seriously, that will help taking the "goo" off and won't harm your paint finish. Matt of gloss or anything in between. We all know you need 3 things to fix anything. A hammer, duct-tape and WD-40.
Let me clarify. I peeled the sticker off first and then used the goo gone to remove the leftover adhesive. Added a little goo gone to a cloth and swiped twice to remove adhesive. It took a couple of seconds.