Remove premium-series presence on UK south

Author: AckoMSFT

articles/azure-sql/managed-instance/resource-limits.md

@@ -71,7 +71,6 @@ Support for the premium-series hardware generations (public preview) is currentl
 | North Europe | Yes | | 
 | South Central US | Yes | Yes | 
 | Southeast Asia | Yes |  | 
-| UK South | Yes |  | 
 | West Europe | | Yes | 
 | West US | Yes | Yes |  
 | West US 2 | Yes | Yes |