So much about Coheed and Cambria’s work cries out for ridicule: the ’70s-art-rock-derived instrumental wankery, the skyscraping, get-your-Geddy-on vocals… Somehow, though, the act’s fourth album, No World for Tomorrow, works in spite of itself. World represents the final chapter of “The Armory Wars,” the epic tale of Claudio Kilgannon, who…