gh-76785: Simplify Channels XID Types

[ericsnowcurrently]

I had added an extra cleanup abstraction a while back that has turned out to be unnecessary.

• Issue: [subinterpreters] PEP 554 implementation: add interpreters module #76785

[bedevere-bot]

⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot wasm32-wasi 3.x has failed when building commit 01440d3.

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/1046/builds/4510) and take a look at the build logs.
4. Check if the failure is related to this commit (01440d3) 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/1046/builds/4510

Failed tests:

• test_logging

Failed subtests:

• test_rollover_at_midnight - test.test_logging.TimedRotatingFileHandlerTest.test_rollover_at_midnight

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

==

Click to see traceback logs

Traceback (most recent call last):
  File "/Lib/test/test_logging.py", line 6111, in test_rollover_at_midnight
    self.assertIn(f'testing2 {i}', line)
    ~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: 'testing2 0' not found in '2024-03-04 19:51:35,001 testing1 0\n'