Update AZ400_M04_L11_Enable_Dynamic_Configuration_and_Feature_Flags.md

If following along to AZ400_M04_L12 the eshoponweb-ci pipeline will trigger eshoponweb-cd-webapp-code which creates the target resource group, even if it was deleted.

Author: sbonds

Instructions/Labs/AZ400_M04_L11_Enable_Dynamic_Configuration_and_Feature_Flags.md

@@ -175,7 +175,7 @@ Let's continue to test the Feature manager.
 1. You can disable this feature in App Configuration and then you would see that the image disappears.
 
    > [!IMPORTANT]
-   > Remember to delete the resources created in the Azure portal to avoid unnecessary charges.
+   > Remember to delete the resources created in the Azure portal to avoid unnecessary charges. Be sure to disable the **eshoponweb-cd-webapp-code** pipeline or it will re-create a deleted resource group and associated resources after the next run of **eshoponweb-ci**.
 
 ## Review