[docs] [issue33801] Remove non-ordered dict comment from plistlib

[Ned Deily]

Ned Deily <nad at python.org> added the comment:

Thanks for the PR!

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resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed
type: enhancement -> 

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue33801>
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