Removing a merge conflict typo

Author: sharadagrawal

articles/frontdoor/front-door-backend-pool.md

@@ -17,7 +17,6 @@ ms.author: sharadag
 This article describes concepts about how to map your app deployment with Azure Front Door. It also explains the different terms in Front Door configuration around app backends.
 
 ## Backends
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 A backend is equal to an app's deployment instance in a region. Front Door supports both Azure and non-Azure backends, so the region isn't only restricted to Azure regions. Also, it can be your on-premises datacenter or an app instance in another cloud.
 
 Front Door backends refer to the host name or public IP of your app, which can serve client requests. Backends shouldn't be confused with your database tier, storage tier, and so on. Backends should be viewed as the public endpoint of your app backend. When you add a backend in a Front Door backend pool, you must also add the following: