Merge duplicate Data & Knowledge TOC sections into one

Co-authored-by: Copilot <[email protected]>

Author: karthikananth

articles/microsoft-discovery/toc.yml

@@ -166,6 +166,9 @@ items:
           - name: Create Bookshelf and index a Knowledgebase
             href: how-to-create-index-bookshelf-knowledgebase.md
             displayName: Microsoft Discovery, bookshelf, knowledgebase, indexing, LazyGraphRAG, storage, blob, managed identity
+          - name: Manage storage containers
+            href: how-to-manage-storage-containers.md
+            displayName: Microsoft Discovery, storage containers, storage assets, blob storage, data ingestion
 
       - name: Network Security & Data Protection
         items:
@@ -178,11 +181,7 @@ items:
           - name: Configure customer-managed keys
             href: howto-data-encryption-at-rest.md
             displayName: Microsoft Discovery, customer-managed keys, CMK, encryption at rest, Key Vault
-      - name: Data & Knowledge
-        items:
-          - name: Manage storage containers
-            href: how-to-manage-storage-containers.md
-            displayName: Microsoft Discovery, storage containers, storage assets, blob storage, data ingestion
+
       - name: Investigations & Discovery Mode
         items:
           - name: Build investigations with cognition