It's one of those ridiculous notions that anyone would need to. But if it makes you feel better, more power to you. I never have, and have never had uneven carbonation.
Most of the supposed uneven carbonation threads on here, when you ask the simple question "How long has it been in the bottle?" Usually turns out to be less than 3 weeks...
If you've boiled priming solution and are adding it to the bucket while racking the beer over, it really mixes itself better than most new brewers think it does. It's not like mixing oil and water, you're really mixing two very similar densities that want to go together.
We talk about this at least once a week on here, here's part of a discussion from before the holiday;
Just ignore the bottles for a minimum of 3-4 weeks, let them do their thing, and more than likely you'll be perfectly fine.