Does the DLC bug go away if you delete whatever the DLC code added? I don't really need that stupid armor and weapon if it's going to keep jacking my game up. Otherwise might as well just stop playing until it's fixed... I'm not saving every 10 minutes and then reloading to see if it got corrupted.

I would say no, as there are a lot people who have got the DLC bug without having any DLC, even people whose XBOX's don't have an internet connection have got this bug.