Removing unneeded from __future__ import statements.

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

ebook_converter/ebooks/docx/writer/tables.py

@@ -1,10 +1,3 @@
-#!/usr/bin/env python2
-# vim:fileencoding=utf-8
-from __future__ import absolute_import, division, print_function, unicode_literals
-
-__license__ = 'GPL v3'
-__copyright__ = '2015, Kovid Goyal <kovid at kovidgoyal.net>'
-
 from collections import namedtuple
 
 from ebook_converter.ebooks.docx.writer.utils import convert_color
@@ -12,6 +5,10 @@ from ebook_converter.ebooks.docx.writer.styles import read_css_block_borders as
 from ebook_converter.polyglot.builtins import iteritems, range, unicode_type
 
 
+__license__ = 'GPL v3'
+__copyright__ = '2015, Kovid Goyal <kovid at kovidgoyal.net>'
+
+
 class Dummy(object):
     pass