Katy Perry won’t be able to take her Las Vegas show on the road. The ‘Roar’ hitmaker is currently performing her ‘Katy Perry:PLAY’ residency at the Resorts World Theatre in Sin City, and she admitted the production is too ambitious to take on tour for her fans around the world. Appearing on ‘Smallzy’s Celebrity Small Talk’, she said: “It’s really great if you want a little bit more balance in your live. The advantage, from an artistic point of view, is that you get to be on the same stage so you get to work with some unique tech and props. “I literally couldn’t put that giant toilet on any tru…