We are now on Python 3.11 and running tests
on the latest version of Ubuntu, which seems to mean
we don't need these pins anymore. In fact, it seems
to break while on these pins.
This reverts commit 52adce48d1 because we were getting this in the build pipeline:
```
WARNING: lxml 5.2.1 does not provide the extra 'html-clean'
ERROR: Exception:
Traceback (most recent call last):
File "/edx/app/edxapp/venvs/edxapp/lib/python3.8/site-packages/pip/_internal/cli/base_command.py", line 173, in _main
status = self.run(options, args)
File "/edx/app/edxapp/venvs/edxapp/lib/python3.8/site-packages/pip/_internal/cli/req_command.py", line 203, in wrapper
return func(self, options, args)
File "/edx/app/edxapp/venvs/edxapp/lib/python3.8/site-packages/pip/_internal/commands/install.py", line 315, in run
requirement_set = resolver.resolve(
File "/edx/app/edxapp/venvs/edxapp/lib/python3.8/site-packages/pip/_internal/resolution/resolvelib/resolver.py", line 94, in resolve
result = self._result = resolver.resolve(
File "/edx/app/edxapp/venvs/edxapp/lib/python3.8/site-packages/pip/_vendor/resolvelib/resolvers.py", line 472, in resolve
state = resolution.resolve(requirements, max_rounds=max_rounds)
File "/edx/app/edxapp/venvs/edxapp/lib/python3.8/site-packages/pip/_vendor/resolvelib/resolvers.py", line 366, in resolve
failure_causes = self._attempt_to_pin_criterion(name)
File "/edx/app/edxapp/venvs/edxapp/lib/python3.8/site-packages/pip/_vendor/resolvelib/resolvers.py", line 221, in _attempt_to_pin_criterion
satisfied = all(
File "/edx/app/edxapp/venvs/edxapp/lib/python3.8/site-packages/pip/_vendor/resolvelib/resolvers.py", line 222, in <genexpr>
self._p.is_satisfied_by(requirement=r, candidate=candidate)
File "/edx/app/edxapp/venvs/edxapp/lib/python3.8/site-packages/pip/_internal/resolution/resolvelib/provider.py", line 178, in is_satisfied_by
return requirement.is_satisfied_by(candidate)
File "/edx/app/edxapp/venvs/edxapp/lib/python3.8/site-packages/pip/_internal/resolution/resolvelib/requirements.py", line 84, in is_satisfied_by
assert candidate.name == self.name, (
AssertionError: Internal issue: Candidate is not for this requirement lxml[html-clean,html-clean] vs lxml[html-clean]
WARNING: You are using pip version 21.2.1; however, version 24.0 is available.
You should consider upgrading via the '/edx/app/edxapp/venvs/edxapp/bin/python -m pip install --upgrade pip' command.
```
