utils/scanpypi: remove python2 compatibility imports

ee8b680816 ("utils/scanpypi: use python3 explicitly") started to use python3,
thus compatibility can be removed:

from __future__ import print_function
from __future__ import absolute_import

Tested with python3 -m py_compile.

Signed-off-by: Petr Vorel <petr.vorel@gmail.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
(cherry picked from commit d50290764ea3fd7f7fafd1a10aedbe652689ac29)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

utils/scanpypi

@@ -6,8 +6,6 @@ Utility for building Buildroot packages for existing PyPI packages
 Any package built by scanpypi should be manually checked for
 errors.
 """
-from __future__ import print_function
-from __future__ import absolute_import
 import argparse
 import json
 import sys