I do know for sure it WAS patched. But you can delete the game data and get rid of the update. The only downside is that you can't play with your friends online and you'll have to download the update some time after to play online I think. Here's a vid (Not mine). Oh and DON'T DELETE YOUR GAMESAVE!
[ame="
https://www.youtube.com/watch?v=0SJocBRlKA0&feature=related"]YouTube - Rainbow Six Vegas 2 XP Glitch (after april patch) Sleep XP! READ DESC

TION!!![/ame]
I strongly recommend going to video itself (by clicking the title) because the description can clear up any problems you have. Hope that helps and GL with Elite

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