[issue42030] Drop support for dynload_aix

[Kevin]

Change by Kevin <kadler at us.ibm.com>:


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keywords: +patch
pull_requests: +21685
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/22717

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue42030>
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