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/tables.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__ = '2013, Kovid Goyal <kovid at kovidgoyal.net>'
-
 from lxml.html.builder import TABLE, TR, TD
 
 from ebook_converter.ebooks.docx.block_styles import inherit, read_shd as rs, read_border, binary_property, border_props, ParagraphStyle, border_to_css
 from ebook_converter.ebooks.docx.char_styles import RunStyle
 from ebook_converter.polyglot.builtins import filter, iteritems, itervalues, range, unicode_type
 
+
+__license__ = 'GPL v3'
+__copyright__ = '2013, Kovid Goyal <kovid at kovidgoyal.net>'
+
 # Read from XML {{{
 read_shd = rs
 edges = ('left', 'top', 'right', 'bottom')