[Doc-A-Thon] Removing UbuntuLTS

Replacing UbuntuLTS with  <SKU image>

Author: msaenzbosupport

articles/virtual-machine-scale-sets/tutorial-use-custom-image-cli.md

@@ -41,7 +41,7 @@ az group create --name myResourceGroup --location eastus
 az vm create \
   --resource-group myResourceGroup \
   --name myVM \
-  --image ubuntults \
+  --image <SKU image> \
   --admin-username azureuser \
   --generate-ssh-keys
 ```
@@ -180,4 +180,4 @@ In this tutorial, you learned how to create and use a custom VM image for your s
 Advance to the next tutorial to learn how to deploy applications to your scale set.
 
 > [!div class="nextstepaction"]
-> [Deploy applications to your scale sets](tutorial-install-apps-cli.md)
+> [Deploy applications to your scale sets](tutorial-install-apps-cli.md)