[issue29803] Remove some redandunt ops in unicodeobject.c

[Xiang Zhang]

New submission from Xiang Zhang <angwerzx at 126.com>:


New changeset 2b77a921e6a4dee236047ac8d69cf9f915916fdc by Xiang Zhang in branch 'master':
bpo-29803: remove a redandunt op and fix a comment in unicodeobject.c (#660)
https://github.com/python/cpython/commit/2b77a921e6a4dee236047ac8d69cf9f915916fdc


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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue29803>
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