gh-129244: Only remove the workaround when MSVC has the bugfix

[mdboom]

• Issue: Remove #pragma that disables optimization on _PyEval_EvalFrameDefault on MSVC #129244

[Fidget-Spinner]

!buildbot AMD64 Windows PGO

[bedevere-bot]

🤖 New build scheduled with the buildbot fleet by @Fidget-Spinner for commit fc04e95 🤖

The command will test the builders whose names match following regular expression: AMD64 Windows PGO

The builders matched are:

• AMD64 Windows PGO PR
• AMD64 Windows PGO NoGIL PR

[bedevere-bot]

⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot ARM64 macOS 3.x has failed when building commit 00ec781.

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/#/builders/725/builds/9749) and take a look at the build logs.
4. Check if the failure is related to this commit (00ec781) 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/#/builders/725/builds/9749

Failed tests:

• test.test_multiprocessing_spawn.test_processes

Failed subtests:

• test_repr_rlock - test.test_multiprocessing_spawn.test_processes.WithProcessesTestLock.test_repr_rlock

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

==

Click to see traceback logs

Traceback (most recent call last):
  File "/Users/buildbot/buildarea/3.x.pablogsal-macos-m1.macos-with-brew/build/Lib/test/_test_multiprocessing.py", line 1530, in test_repr_rlock
    self.assertEqual('<RLock(SomeOtherThread, nonzero)>', repr(lock))
    ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: '<RLock(SomeOtherThread, nonzero)>' != '<RLock(None, 0)>'
- <RLock(SomeOtherThread, nonzero)>
+ <RLock(None, 0)>