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/images.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>'
-
 import os
 import posixpath
 from collections import namedtuple
@@ -19,6 +12,10 @@ from ebook_converter.ebooks.docx.images import pt_to_emu
 from ebook_converter.utils.filenames import ascii_filename
 from ebook_converter.utils.imghdr import identify
 
+
+__license__ = 'GPL v3'
+__copyright__ = '2015, Kovid Goyal <kovid at kovidgoyal.net>'
+
 Image = namedtuple('Image', 'rid fname width height fmt item')