Holmes had to flee Tom’s ‘cuckoo’ Scientology for herself and Suri

You go, Katie — a Stepford Wife no more. Katie Holmes’ nickname among friends was “Dead Eye’’ — an unflattering euphemism for the blank stare that’s glazed the starlet’s face since she was embedded as wife No. 3 to No. 1 Scientologist Tom Cruise. At the same time, Tom and…