chore: remove unused import

lms/djangoapps/commerce/utils.py

@@ -11,7 +11,6 @@ from django.conf import settings
 from django.contrib.auth import get_user_model
 from django.urls import reverse
 from django.utils.translation import gettext as _
-from opaque_keys.edx.keys import CourseKey
 
 from common.djangoapps.course_modes.models import CourseMode
 from common.djangoapps.student.models import CourseEnrollmentAttribute