Removing unneeded from __future__ import statements.

Since we are on Python 3.6 and up, we don't need those anymore.

ebook_converter/utils/date.py

@@ -1,11 +1,3 @@
-#!/usr/bin/env python2
-# vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
-from __future__ import absolute_import, division, print_function, unicode_literals
-
-__license__   = 'GPL v3'
-__copyright__ = '2010, Kovid Goyal <kovid@kovidgoyal.net>'
-__docformat__ = 'restructuredtext en'
-
 import re
 from datetime import datetime, time as dtime, timedelta, MINYEAR, MAXYEAR
 from functools import partial
@@ -16,6 +8,11 @@ from ebook_converter.utils.iso8601 import utc_tz, local_tz, UNDEFINED_DATE
 from ebook_converter.utils.localization import lcdata
 from ebook_converter.polyglot.builtins import unicode_type, native_string_type
 
+
+__license__   = 'GPL v3'
+__copyright__ = '2010, Kovid Goyal <kovid@kovidgoyal.net>'
+__docformat__ = 'restructuredtext en'
+
 _utc_tz = utc_tz
 _local_tz = local_tz