bpo-39966: Revert "bpo-25597: Ensure wraps' return value is used for magic methods in MagicMock" (GH-19734)

* Revert "bpo-25597: Ensure wraps' return value is used for magic methods in MagicMock (#16029)"

This reverts commit 72b1004657e60c900e4cd031b2635b587f4b280e.
3 files changed