docs: delete obsolete plume subcommand
@@ -18,14 +18,6 @@ commands are idempotent.
Publish a new CoreOS release. This makes uploaded images public and updates
indexes.
-## plume index
-
-Generate and upload index.html objects to turn a Google Cloud Storage
-bucket into a publicly browsable file tree. Useful if you want something
-like Apache's directory index for your software download repository.
-Plume release handles this as well, so it does not need to be run as part of
-the release process.
-
## Pre-flight
### AWS
