LOS ANGELES (Reuters) – Reality television performer Joey Kovar, who starred in MTV's "The Real World: Hollywood" and VH1's "Celebrity Rehab," was found dead at a friend's home near Chicago on Friday, according to media reports. Kovar, 29, who had a history of drug addiction, was found by a female friend who noticed blood coming out of his ears and nose, celebrity news website TMZ.com reported. Kovar's representative could not be reached for comment. "MTV is deeply saddened to learn that Joey Kovar of 'The Real World: Hollywood' has passed away. …