Update how-to-create-manage-compute-instance.md

remove tip.  any port can be used for published port except for private link
[3:45 PM] Isis McCafferty
only private link restricts you to an actual meaningful range

Author: sdgilley

articles/machine-learning/how-to-create-manage-compute-instance.md

@@ -490,10 +490,6 @@ To use RStudio open source, set up a custom application as follows:
 1. Set up the application to run on **Target port** `8787` - the docker image for RStudio open source listed below needs to run on this Target port. 
 
 1. Set up the application to be accessed on **Published port** `8787` - you can configure the application to be accessed on a different Published port if you wish.
-
-    > [!TIP]
-    > Using ports 8704-8993 is also supported.
-
 1. Point the **Docker image** to `ghcr.io/azure/rocker-rstudio-ml-verse:latest`. 
 1. Use **Bind mounts** to add access to the files in your default storage account: 
    * Specify **/home/azureuser/cloudfiles** for **Host path**.