Merge pull request #16188 from edx/jeskew/remove_django_simple_history

cms/envs/common.py

...onfiguration/migrations/0003_delete_historical_records.py

common/djangoapps/microsite_configuration/models.py

...t/migrations/0013_delete_historical_enrollment_records.py

common/djangoapps/student/models.py

...rify_student/migrations/0004_delete_historical_records.py

lms/djangoapps/verify_student/models.py

lms/envs/common.py

...pi_admin/migrations/0007_delete_historical_api_records.py

openedx/core/djangoapps/api_admin/models.py

...redit/migrations/0004_delete_historical_credit_records.py

openedx/core/djangoapps/credit/models.py

openedx/core/djangoapps/credit/tests/test_api.py

requirements/edx/base.txt