Update durable-functions-azure-storage-provider.md

fix "in in" per Acrolinx

Author: jborsecnik

articles/azure-functions/durable/durable-functions-azure-storage-provider.md

@@ -9,7 +9,7 @@ ms.author: azfuncdf
 
 # Azure Storage provider (Azure Functions)
 
-This document describes the characteristics of the Durable Functions Azure Storage provider, with a focus on performance and scalability aspects. The Azure Storage provider is the default provider. It stores instance states and queues in in an Azure Storage (classic) account.
+This document describes the characteristics of the Durable Functions Azure Storage provider, with a focus on performance and scalability aspects. The Azure Storage provider is the default provider. It stores instance states and queues in an Azure Storage (classic) account.
 
 > [!NOTE]
 > For more information on the supported storage providers for Durable Functions and how they compare, see the [Durable Functions storage providers](durable-functions-storage-providers.md) documentation.