If these walls could talk…you’d want to cover your ears and run away as fast as possible! But that’s not what Kendall Jenner, 21, did. Instead, the reality star and model ran right for 52-year-old actor Charlie Sheen’s former Beverly Hills mansion, scooping it up for the bargain bin price of $8.55 million. “Kendall saw it as a deal,” says one source — but her sister, Kim Kardashian, 37, isn’t enamored with the property, and “even compared it to the house in The Amityville Horror!” We see her point. Charlie’s moronic ways (remember the adult film actresses and tiger blood?) led to plenty of depraved tales from the days he partied (what’s left of) his brains out while living there. Hey, Kendall, beware…he may have left a few things behind!…