Drop redundant future import
print_function is enabled by default in Python 3, and Python 2 support was removed by 666fc883fa9db6f54765585460707da3e6127b9a .
Change-Id: Ie202cef5103681d8820edd53bb94caf745abe0dc Signed-off-by: Takashi Kajinami kajinamit@oss.nttdata.com