pythongh-62184: Remove _pyio import of _io.FileIO

cmaloney · cmaloney · commit 9f26a4f3aa2c · 2025-05-18T12:43:47.000-04:00
This was added in the add of `_io`, isn't used since bpo-21859 when a
`_pyio` implementation was added which defines `FileIO` lower down in
the file.
diff --git a/Lib/_pyio.py b/Lib/_pyio.py
@@ -645,8 +645,6 @@ def write(self, b):
         self._unsupported("write")
 
 io.RawIOBase.register(RawIOBase)
-from _io import FileIO
-RawIOBase.register(FileIO)
 
 
 class BufferedIOBase(IOBase):
