gh-91526: io: Remove device encoding support from TextIOWrapper #91529
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`TextIOWrapper.__init__` calls `os.device_encoding(file.fileno())` if fileno is 0-2. But it is very rerely works, and never documented behavior.
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TextIOWrapper.__init__calledos.device_encoding(file.fileno())if fileno is 0-2.It was complex, never documented, and didn't work for most cases.