Refs #23919 -- Removed encoding preambles and future imports

django/core/mail/__init__.py

@@ -1,8 +1,6 @@
 """
 Tools for sending email.
 """
-from __future__ import unicode_literals
-
 from django.conf import settings
 # Imported for backwards compatibility and for the sake
 # of a cleaner namespace. These symbols used to be in

django/core/mail/message.py

@@ -1,5 +1,3 @@
-from __future__ import unicode_literals
-
 import mimetypes
 import os
 import random