Removed most of absolute_import imports

Should be unneeded with Python 2.7 and up.
Added some unicode_literals along the way.

django/forms/__init__.py

@@ -2,8 +2,6 @@
 Django validation and HTML form handling.
 """
 
-from __future__ import absolute_import
-
 from django.core.exceptions import ValidationError
 from django.forms.fields import *
 from django.forms.forms import *

django/forms/extras/__init__.py

@@ -1,3 +1 @@
-from __future__ import absolute_import
-
 from django.forms.extras.widgets import *

django/forms/fields.py

@@ -2,7 +2,7 @@
 Field classes.
 """
 
-from __future__ import absolute_import, unicode_literals
+from __future__ import unicode_literals
 
 import copy
 import datetime

django/forms/forms.py

@@ -2,7 +2,7 @@
 Form classes
 """
 
-from __future__ import absolute_import, unicode_literals
+from __future__ import unicode_literals
 
 import copy
 import warnings

django/forms/formsets.py

@@ -1,4 +1,4 @@
-from __future__ import absolute_import, unicode_literals
+from __future__ import unicode_literals
 
 from django.core.exceptions import ValidationError
 from django.forms import Form

django/forms/models.py

@@ -3,7 +3,7 @@ Helper functions for creating Form classes from Django models
 and database field objects.
 """
 
-from __future__ import absolute_import, unicode_literals
+from __future__ import unicode_literals
 
 import warnings
 

django/forms/widgets.py

@@ -2,7 +2,7 @@
 HTML Widget classes
 """
 
-from __future__ import absolute_import, unicode_literals
+from __future__ import unicode_literals
 
 import copy
 from itertools import chain