refactor: Remove HIBP settings from CMS (#36998)

Remove HIBP settings from CMS common settings module

common/djangoapps/student/tests/test_configuration_overrides.py

@@ -8,6 +8,7 @@ import json
 from unittest import mock
 from django.contrib.auth.models import User  # lint-amnesty, pylint: disable=imported-auth-user
 from django.test import TestCase
+from django.test.utils import override_settings
 from django.urls import reverse
 
 from common.djangoapps.student.models import UserSignupSource
@@ -50,6 +51,8 @@ def fake_get_value(name, default=None):
     return FAKE_SITE.get(name, default)
 
 
+# HIBP settings are only defined in lms envs but needed for common tests.
+@override_settings(ENABLE_AUTHN_REGISTER_HIBP_POLICY=False)
 class TestSite(TestCase):
     """Test for Account Creation from white labeled Sites"""
     def setUp(self):

common/djangoapps/student/tests/test_password_policy.py

@@ -11,7 +11,11 @@ from django.urls import reverse
 from common.djangoapps.util.password_policy_validators import create_validator_config
 
 
-@override_settings(RATELIMIT_ENABLE=False)
+# HIBP settings are only defined in lms envs but needed for common tests.
+@override_settings(
+    RATELIMIT_ENABLE=False,
+    ENABLE_AUTHN_REGISTER_HIBP_POLICY=False,
+)
 class TestPasswordPolicy(TestCase):
     """
     Go through some password policy tests to make sure things are properly working
@@ -227,7 +231,11 @@ class TestPasswordPolicy(TestCase):
         assert obj['success']
 
 
-@override_settings(RATELIMIT_ENABLE=False)
+# HIBP settings are only defined in lms envs but needed for common tests.
+@override_settings(
+    RATELIMIT_ENABLE=False,
+    ENABLE_AUTHN_REGISTER_HIBP_POLICY=False,
+)
 class TestUsernamePasswordNonmatch(TestCase):
     """
     Test that registration username and password fields differ