[issue28845] Clean up known issues for AIX

[Zachary Ware]

Changes by Zachary Ware <zachary.ware at gmail.com>:


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nosy: +Michael.Felt
stage:  -> patch review
versions:  -Python 3.3, Python 3.4

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue28845>
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