Remove the 'email' and 'mobile_phone' fields on Person ...

Remove the 'email' and 'mobile_phone' fields on Person and use identities to represent this data instead.

• Migrate data on existing Person objects to Identity objects
• Make the 'is verified' logic only accept certain ID types
• Sync the Person.is_verified and API 'verified' filter logic

.pylintrc

@@ -5,6 +5,7 @@ django-settings-module=gregsite.settings
 
 [MESSAGES CONTROL]
 disable=
+    consider-using-f-string,
     duplicate-code,
     fixme,
     import-outside-toplevel,