Removing unneeded from __future__ import statements.

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

ebook_converter/tinycss/tests/fonts3.py

@@ -1,16 +1,13 @@
-#!/usr/bin/env python2
-# vim:fileencoding=utf-8
-from __future__ import absolute_import, division, print_function, unicode_literals
-
-__license__ = 'GPL v3'
-__copyright__ = '2014, Kovid Goyal <kovid at kovidgoyal.net>'
-
 from tinycss.fonts3 import CSSFonts3Parser, parse_font_family, parse_font, serialize_font
 from tinycss.tests import BaseTest
 
 from polyglot.builtins import iteritems
 
 
+__license__ = 'GPL v3'
+__copyright__ = '2014, Kovid Goyal <kovid at kovidgoyal.net>'
+
+
 class TestFonts3(BaseTest):
 
     def test_font_face(self):