MLCompute tvOS 14.0 to 14.2 API Differences

MLCDevice.h
MLCSGDOptimizer.h
Removed +[MLCSGDOptimizer optimizerWithDescriptor:momentumScale:usesNestrovMomentum:]
MLCTensor.h
Removed -[MLCTensor optimizerData:]
MLCTensorOptimizerDeviceData.h
Removed -[MLCTensorOptimizerDeviceData init]
MLCTrainingGraph.h
MLCTypes.h