Delete orphaned comment

[gvanrossum]

(The function this described was deleted by PR #23743, the comment was accidentally retained.)

[bedevere-bot]

@gvanrossum: Please replace # with GH- in the commit message next time. Thanks!

[bedevere-bot]

⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot AMD64 Arch Linux Asan 3.x has failed when building commit 605f4bf.

What do you need to do:

1. Don't panic.
2. Check the buildbot page in the devguide if you don't know what the buildbots are or how they work.
3. Go to the page of the buildbot that failed (https://buildbot.python.org/all/#builders/582/builds/790) and take a look at the build logs.
4. Check if the failure is related to this commit (605f4bf) or if it is a false positive.
5. If the failure is related to this commit, please, reflect that on the issue and make a new Pull Request with a fix.

You can take a look at the buildbot page here:

https://buildbot.python.org/all/#builders/582/builds/790

Summary of the results of the build (if available):

Click to see traceback logs

Traceback (most recent call last):
File "/buildbot/buildarea/3.x.pablogsal-arch-x86_64.asan/build/Lib/multiprocessing/resource_tracker.py", line 209, in main
cache[rtype].remove(name)
^^^^^^^^^^^^^^^^^^^^^^^^^KeyError: '/psm_32e626c0'
Traceback (most recent call last):
File "/buildbot/buildarea/3.x.pablogsal-arch-x86_64.asan/build/Lib/multiprocessing/resource_tracker.py", line 209, in main
cache[rtype].remove(name)
^^^^^^^^^^^^^^^^^^^^^^^^^KeyError: '/psm_5fe7ac4a'