Remove Bootstrap Carousel
The Bootstrap carousel module is used for image carousels, and we don't use it anywhere on the site.
Fixes #14670 (closed).
cc: @jschatz1
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
The Bootstrap carousel module is used for image carousels, and we don't use it anywhere on the site.
Fixes #14670 (closed).
cc: @jschatz1