Revert accidental commit "Make new functionality optional"

This reverts commit af7d32462873fbbfc3a44a06424bd3c941c3b5f2.

src/tests/api/test_customers.py

@@ -20,7 +20,6 @@
 # <https://www.gnu.org/licenses/>.
 #
 import pytest
-from django.core import mail as djmail
 from django_scopes import scopes_disabled
 
 
@@ -99,29 +98,6 @@ def test_customer_create(token_client, organizer):
         assert customer.is_active
         assert customer.name == 'John Doe'
         assert customer.is_verified
-    assert len(djmail.outbox) == 0
-
-
-@pytest.mark.django_db
-def test_customer_create_send_email(token_client, organizer):
-    resp = token_client.post(
-        '/api/v1/organizers/{}/customers/'.format(organizer.slug),
-        format='json',
-        data={
-            'identifier': 'IGNORED',
-            'email': 'bar@example.com',
-            'name_parts': {
-                "_scheme": "given_family",
-                'given_name': 'John',
-                'family_name': 'Doe',
-            },
-            'is_active': True,
-            'is_verified': True,
-            'send_email': True,
-        }
-    )
-    assert resp.status_code == 201
-    assert len(djmail.outbox) == 1
 
 
 @pytest.mark.django_db