Corrected User model docstring about required fields.
Follow up to
@@ -358,7 +358,7 @@ class User(AbstractUser):
Users within the Django authentication system are represented by this
model.
- Username, password and email are required. Other fields are optional.
+ Username and password are required. Other fields are optional.
"""
class Meta(AbstractUser.Meta):
swappable = 'AUTH_USER_MODEL'
