setup.py: remove import __future__

We are in python3 now, so this is not needed any more.

Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Mark Hatle <mark.hatle@windriver.com>

bin/setup.py

@@ -1,8 +1,5 @@
 #!/usr/bin/env python3
 
-# Drop when we move to the future (the future is python 3.)
-from __future__ import print_function
-
 # Please keep these sorted.
 import logging
 import os