focus on first node

Author: qrkourier

docusaurus/docs/deployments/20-controller/20-linux.mdx

@@ -71,10 +71,6 @@ Create a new cluster (NO if joining a cluster) [Y/n]:
     sudo -E /opt/openziti/etc/controller/bootstrap.bash < /dev/null
     ```
 
-### Generate a Configuration for a New Node in an Existing Cluster
-
-
-
 ### Migrate an Existing Configuration
 
 [This example](./70-migrate.mdx) illustrates copying the PKI, configuration, and database from a previous installation to the controller service's working directory.