Update smb-performance.md

Author: khdownie

articles/storage/files/smb-performance.md

@@ -4,10 +4,9 @@ description: Learn about ways to improve performance and throughput for SSD (pre
 author: khdownie
 ms.service: azure-file-storage
 ms.topic: concept-article
-ms.date: 05/29/2025
+ms.date: 06/19/2025
 ms.author: kendownie
 ms.custom:
-  - references_regions
   - build-2025
 ---
 
@@ -165,7 +164,7 @@ This feature improves the following metadata APIs and can be used from both Wind
 - Close
 - Delete
 
-Currently this feature is only available for SSD file shares. There are no extra costs associated with using this feature. You can also register to increase file handle limits for SSD file shares (preview).
+Currently this feature is only available for SSD file shares. There are no extra costs associated with using this feature. You can also [register to increase file handle limits for SSD file shares (preview)](#register-for-increased-file-handle-limits-preview).
 
 ### Register for the metadata caching feature
 
@@ -192,51 +191,6 @@ Register-AzProviderFeature -FeatureName AzurePremiumFilesMetadataCacheFeature -P
 > - Although listed under Preview Features, we honor GA SLAs and will soon make this the default for all accounts, removing the need for registration.
 > - Allow 2-6 hours for accounts to be onboarded once registration is complete.
 
-### Regional availability for metadata caching
-
-Supported regions:
-
-- East Asia 
-- Australia Central
-- Australia East
-- Australia Southeast
-- Brazil South
-- Canada Central
-- Canada East
-- North Europe
-- France Central
-- Germany West Central
-- Central India
-- South India
-- West India
-- Israel Central
-- Italy North
-- Japan East
-- Japan West
-- Jio India West
-- Korea Central
-- Korea South
-- Mexico Central
-- Norway East
-- New Zealand North
-- Poland Central
-- Qatar Central
-- South Africa North
-- Spain Central
-- Sweden Central
-- Switzerland North
-- UAE North
-- North Central US
-- South Central US 
-- East US
-- East US 2
-- West US
-- West US 2
-- West US 3
-- West Central US
-- UK South
-- UK West
-
 ### Performance improvements with metadata caching
 
 Most workloads or usage patterns that contain metadata can benefit from metadata caching. To determine if your workload contains metadata, you can [use Azure Monitor](analyze-files-metrics.md#monitor-utilization) to split the transactions by API dimension.