Remove unused CONTENT_HOST setting
Since Pulpcore 3.0.0 this setting has been replaced byCONTENT_ORIGIN1.
[1]: https://pulp.plan.io/issues/5649
Remove unused CONTENT_HOST setting
Since Pulpcore 3.0.0 this setting has been replaced by
CONTENT_ORIGIN1.
[1]: https://pulp.plan.io/issues/5649