swift

0b25e718 - [AutoDiff] Deprecate method-style differential operators. (#28500)

[AutoDiff] Deprecate method-style differential operators. (#28500) Currently, there exist both top-level function differential operators and method-style differential operators. Method-style differential operators apply top-level function versions to `self`. Method-style differential operators needlessly increase API surface area and confuse users. Removing them will make the top-level versions canonical. Deprecate stdlib method-style differential operators. Remove `DifferentiationUnittest` method-style differential operators and update tests. Resolves TF-1019.