If you are looking to reduce weight by numbers, then removal of stickers is number one on my list.
I suspect your issue is more about balance though, you could address this in a number of ways. Some additional weight in the handle, in the form of lead tape wrapped around the top of the handle, or even just an extra grip may suffice.
The spine towards the toe could be sanded flatter, to give a slightly lighter pickup.
There are numerous ways to do it, but ultimately, its very difficult to achieve a dramatic change.