Remove unused predicate in FBDeviceSet
Remove unused predicate in FBDeviceSet

Summary: No longer used anywhere

Reviewed By: fejese

Differential Revision: D22452397

fbshipit-source-id: e501ec6c1cadd896d56fa218eb0efc1f647f39fd

facebook/FBSimulatorControl,facebook/FBSimulatorControl,facebook/FBSimulatorControl,facebook/FBSimulatorControl,facebook/FBSimulatorControl