Email should *not* be unique

turns out this is jank-city when you try to federate

bookwyrm/forms.py

@@ -99,7 +99,7 @@ class EditUserForm(CustomForm):
     class Meta:
         model = models.User
         fields = [
-            'avatar', 'name', 'summary', 'manually_approves_followers'
+            'avatar', 'name', 'email', 'summary', 'manually_approves_followers'
         ]
         help_texts = {f: None for f in fields}