[issue43479] Remove a duplicate comment and assignment in http.client

[Senthil Kumaran]

Change by Senthil Kumaran <senthil at uthcode.com>:


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assignee:  -> orsenthil
nosy: +orsenthil
versions:  -Python 3.6, Python 3.7

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue43479>
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