MLCompute tvOS 14.0 Beta 4 to Beta 5 API Differences

MLCLayer.h

Removed -[MLCLayer supportsDataType:forDeviceType:]

Added +[MLCLayer supportsDataType:onDevice:]

MLCSGDOptimizer.h

Removed MLCSGDOptimizer.usesNestrovMomentum

MLCTrainingGraph.h

Removed +[MLCTrainingGraph trainingGraphWithGraphObjects:lossLayer:optimizer:]