Remove virtualenv fixup

I *think* virtualenv fixed these? We'll see.

tests/lib/venv.py

@@ -62,7 +62,6 @@ def _create(self, clear=False):
  "--no-wheel",
  "--no-setuptools",
  ])
- self._fix_virtualenv_site_module()
  elif self._venv_type == 'venv':
  builder = _venv.EnvBuilder()
  context = builder.ensure_directories(self.location)
@@ -74,42 +73,6 @@ def _create(self, clear=False):
  self.sitecustomize = self._sitecustomize
  self.user_site_packages = self._user_site_packages
 
- def _fix_virtualenv_site_module(self):
- # Patch `site.py` so user site work as expected.
- site_py = self.lib / 'site.py'
- with open(site_py) as fp:
- site_contents = fp.read()
- for pattern, replace in (
- (
- # Ensure enabling user site does not result in adding
- # the real site-packages' directory to `sys.path`.
- (
- '\ndef virtual_addsitepackages(known_paths):\n'
- ),
- (
- '\ndef virtual_addsitepackages(known_paths):\n'
- ' return known_paths\n'
- ),
- ),
- (
- # Fix sites ordering: user site must be added before system.
- (
- '\n paths_in_sys = addsitepackages(paths_in_sys)'
- '\n paths_in_sys = addusersitepackages(paths_in_sys)\n'
- ),
- (
- '\n paths_in_sys = addusersitepackages(paths_in_sys)'
- '\n paths_in_sys = addsitepackages(paths_in_sys)\n'
- ),
- ),
- ):
- assert pattern in site_contents
- site_contents = site_contents.replace(pattern, replace)
- with open(site_py, 'w') as fp:
- fp.write(site_contents)
- # Make sure bytecode is up-to-date too.
- assert compileall.compile_file(str(site_py), quiet=1, force=True)
-
  def _customize_site(self):
  contents = ''
  if self._venv_type == 'venv':