Deletes the Vanity URL for a piece of content.
delete_vanity_url(content)A Content object
Other content functions:
acl_add_user(),
content_delete(),
content_item(),
content_title(),
content_update(),
create_random_name(),
dashboard_url_chr(),
dashboard_url(),
deploy_repo(),
get_acl_user(),
get_bundles(),
get_environment(),
get_image(),
get_jobs(),
get_vanity_url(),
git,
permissions,
set_image_path(),
set_run_as(),
set_vanity_url(),
swap_vanity_url(),
verify_content_name()