Remove warning since no longer applies

Author: deeikele

articles/machine-learning/concept-workspace.md

@@ -84,9 +84,6 @@ When you create a new workspace, you're required to bring other Azure resources
     For more information, see [Monitor online endpoints](how-to-monitor-online-endpoints.md).
     :::moniker-end
 
-    > [!NOTE]
-    > You can delete the Application Insights instance after cluster creation if you want. Deleting it limits the information gathered from the workspace, and may make it more difficult to troubleshoot problems. __If you delete the Application Insights instance created by the workspace, you cannot re-create it without deleting and recreating the workspace__.
-
 + [Azure Key Vault](https://azure.microsoft.com/services/key-vault/). Stores secrets that are used by compute targets and other sensitive information that's needed by the workspace.
 
 ## Create a workspace