Update LAM port requirements to remove air gap only

Author: paigecalvert

docs/partials/embedded-cluster/_port-reqs.mdx

@@ -36,8 +36,8 @@ Additionally, port 30000 must be accessible by nodes joining the cluster.
 
 If port 30000 is occupied, you can select a different port for the Admin Console during installation. For more information, see [Embedded Cluster Install Command Options](/reference/embedded-cluster-install).
 
-#### LAM Port (Air Gap Only)
+#### LAM Port
 
-In addition to the ports above, air gap installations also require that port 50000/TCP is open and available for the Local Artifact Mirror (LAM).
+the Local Artifact Mirror (LAM) requires that port 50000/TCP is open and available.
 
 If port 50000 is occupied, you can select a different port for the LAM during installation. For more information, see [Embedded Cluster Install Command Options](/reference/embedded-cluster-install).