remove phone number registration

acme/acme/messages.py

@@ -251,15 +251,12 @@ class Registration(ResourceBody):
     agreement = jose.Field('agreement', omitempty=True)
     status = jose.Field('status', omitempty=True)
 
-    phone_prefix = 'tel:'
     email_prefix = 'mailto:'
 
     @classmethod
-    def from_data(cls, phone=None, email=None, **kwargs):
+    def from_data(cls, email=None, **kwargs):
         """Create registration resource from contact details."""
         details = list(kwargs.pop('contact', ()))
-        if phone is not None:
-            details.append(cls.phone_prefix + phone)
         if email is not None:
             details.append(cls.email_prefix + email)
         kwargs['contact'] = tuple(details)
@@ -270,11 +267,6 @@ class Registration(ResourceBody):
             detail[len(prefix):] for detail in self.contact
             if detail.startswith(prefix))
 
-    @property
-    def phones(self):
-        """All phones found in the ``contact`` field."""
-        return self._filter_contact(self.phone_prefix)
-
     @property
     def emails(self):
         """All emails found in the ``contact`` field."""

acme/acme/messages_test.py

@@ -185,15 +185,11 @@ class RegistrationTest(unittest.TestCase):
 
     def test_from_data(self):
         from acme.messages import Registration
-        reg = Registration.from_data(phone='1234', email='admin@foo.com')
+        reg = Registration.from_data(email='admin@foo.com')
         self.assertEqual(reg.contact, (
-            'tel:1234',
             'mailto:admin@foo.com',
         ))
 
-    def test_phones(self):
-        self.assertEqual(('1234',), self.reg.phones)
-
     def test_emails(self):
         self.assertEqual(('admin@foo.com',), self.reg.emails)