Remove deprecated and unused `Tarfile.tarfile` attribute for 3.16

[sobolevn]

Feature or enhancement

Refs #115256
Refs #115257

This code is scheduled to be removed in 3.16:

cpython/Lib/tarfile.py

Lines 945 to 961 in a2c1657

	@property
	def tarfile(self):
	import warnings
	warnings.warn(
	'The undocumented "tarfile" attribute of TarInfo objects '
	+ 'is deprecated and will be removed in Python 3.16',
	DeprecationWarning, stacklevel=2)
	return self._tarfile
	@tarfile.setter
	def tarfile(self, tarfile):
	import warnings
	warnings.warn(
	'The undocumented "tarfile" attribute of TarInfo objects '
	+ 'is deprecated and will be removed in Python 3.16',
	DeprecationWarning, stacklevel=2)
	self._tarfile = tarfile

Linked PRs

• gh-149634: Remove deprecated and unused tarfile.Tarfile.tarfile attr #149635