Anyone know how to remove the same notifications that keep popping up over 3-4 weeks?

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http://forums.androidcentral.com – I am running cm10 and I have these two "modern combat 4 zero hour download complete" that have been popping up for weeks in my notification bar. I removed the downloads info from the browser and the files don't even exist anymore on my phone. It is very annoying, any ideas how to fix this would be appreciated. They pop up 5-6 times a day, seemingly at random. (HowTos)