Merge pull request #11328 from edx/revert-migration-rc

cms/djangoapps/contentstore/views/tests/test_programs.py

cms/envs/common.py

cms/envs/test.py

common/djangoapps/student/tests/tests.py

common/djangoapps/student/views.py

lms/envs/aws.py

lms/envs/common.py

lms/envs/devstack.py

lms/envs/test.py

lms/static/sass/multicourse/_dashboard.scss

lms/templates/dashboard.html

lms/urls.py

openedx/core/djangoapps/credentials/__init__.py

openedx/core/djangoapps/credentials/admin.py

...dx/core/djangoapps/credentials/migrations/0001_initial.py

...pps/credentials/migrations/0002_data__add_service_user.py

openedx/core/djangoapps/credentials/migrations/__init__.py

openedx/core/djangoapps/credentials/models.py

openedx/core/djangoapps/credentials/tests/__init__.py

openedx/core/djangoapps/credentials/tests/mixins.py