ENT-496 Set consent_granted to None when calling enterprise-course-enrollment endpoint

Since we have a separate call to grant consent, we shouldn't try to set that value on
the enterprise course enrollment anymore, because it causes errors.

common/djangoapps/enrollment/views.py

@@ -603,7 +603,7 @@ class EnrollmentListView(APIView, ApiKeyPermissionMixIn):
                 # We received an explicitly-linked EnterpriseCustomer for the enrollment
                 if explicit_linked_enterprise is not None:
                     try:
-                        enterprise_api_client.post_enterprise_course_enrollment(username, unicode(course_id), True)
+                        enterprise_api_client.post_enterprise_course_enrollment(username, unicode(course_id), None)
                     except EnterpriseApiException as error:
                         log.exception("An unexpected error occurred while creating the new EnterpriseCourseEnrollment "
                                       "for user [%s] in course run [%s]", username, course_id)

requirements/edx/base.txt

@@ -48,7 +48,7 @@ edx-lint==0.4.3
 astroid==1.3.8
 edx-django-oauth2-provider==1.1.4
 edx-django-sites-extensions==2.3.0
-edx-enterprise==0.42.0
+edx-enterprise==0.43.1
 edx-oauth2-provider==1.2.0
 edx-opaque-keys==0.4.0
 edx-organizations==0.4.6