Fix summary duplication in index.yml

Author: staleycyn

learn-pr/wwl-azure/configure-blob-storage/index.yml

@@ -15,7 +15,7 @@ metadata:
   ms.service: azure-blob-storage
   ai-usage: ai-assisted
 title: Configure Azure Blob Storage
-summary: Learn how to configure Configure Azure Blob Storage, including tiers and object replication.
+summary: Learn how to configure Azure Blob Storage, including tiers and object replication.
 abstract: |
   In this module, you learn how to:
 
@@ -62,4 +62,4 @@ units:
 - learn.wwl.configure-blob-storage.knowledge-check
 - learn.wwl.configure-blob-storage.summary-resources
 badge:
-  uid: learn.wwl.configure-blob-storage.badge
+  uid: learn.wwl.configure-blob-storage.badge