[1.8.x] Removed django-2to3.py

Aymeric says, "It was fun to write, but I don't think it's very useful."

Backport of 607af78bb8 from master

django/bin/django-2to3.py

@@ -1,9 +0,0 @@
-#!/usr/bin/env python
-
-# This works exactly like 2to3, except that it uses Django's fixers rather
-# than 2to3's built-in fixers.
-
-import sys
-from lib2to3.main import main
-
-sys.exit(main("django.utils.2to3_fixes"))

django/utils/2to3_fixes/fix_unicode.py

@@ -1,36 +0,0 @@
-"""Fixer for __unicode__ methods.
-
-Uses the django.utils.encoding.python_2_unicode_compatible decorator.
-"""
-
-from __future__ import unicode_literals
-
-from lib2to3 import fixer_base
-from lib2to3.fixer_util import find_indentation, Name, syms, touch_import
-from lib2to3.pgen2 import token
-from lib2to3.pytree import Leaf, Node
-
-
-class FixUnicode(fixer_base.BaseFix):
-
-    BM_compatible = True
-    PATTERN = """
-    classdef< 'class' any+ ':'
-              suite< any*
-                     funcdef< 'def' unifunc='__unicode__'
-                              parameters< '(' NAME ')' > any+ >
-                     any* > >
-    """
-
-    def transform(self, node, results):
-        unifunc = results["unifunc"]
-        strfunc = Name("__str__", prefix=unifunc.prefix)
-        unifunc.replace(strfunc)
-
-        klass = node.clone()
-        klass.prefix = '\n' + find_indentation(node)
-        decorator = Node(syms.decorator, [Leaf(token.AT, "@"), Name('python_2_unicode_compatible')])
-        decorated = Node(syms.decorated, [decorator, klass], prefix=node.prefix)
-        node.replace(decorated)
-
-        touch_import('django.utils.encoding', 'python_2_unicode_compatible', decorated)