[issue29171] blake2: Remove unused function to avoid undefined references

[Eric N. Vander Weele]

Changes by Eric N. Vander Weele <ericvw at gmail.com>:


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title: Remove unused blake2 function to avoid undefined references -> blake2: Remove unused function to avoid undefined references

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue29171>
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