Removing unneeded from __future__ import statements.

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

ebook_converter/spell/__init__.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 collections import namedtuple
 import json
 import pkg_resources
 
 from ebook_converter.utils.localization import canonicalize_lang
 
+
+__license__ = 'GPL v3'
+__copyright__ = '2014, Kovid Goyal <kovid at kovidgoyal.net>'
+
 DictionaryLocale = namedtuple('DictionaryLocale', 'langcode countrycode')
 
 ccodes, ccodemap, country_names = None, None, None