Revert sdk version to 2.0.0-preview (Azure#25537)

Author: milanbrkic-ms

sdk/sqlmanagement/Microsoft.Azure.Management.Sql/src/Microsoft.Azure.Management.Sql.csproj

@@ -7,13 +7,15 @@
 		<PackageId>Microsoft.Azure.Management.Sql</PackageId>
 		<Description>Azure SQL Management SDK library</Description>
 		<AssemblyName>Microsoft.Azure.Management.Sql</AssemblyName>
-		<Version>2.1.0-preview</Version>
+		<Version>2.0.0-preview</Version>
 		<PackageTags>Microsoft Azure SQL Management;SQL;SQL Management;</PackageTags>
 		<PackageReleaseNotes>
 			<![CDATA[
 New features:
-- Bump ManagedInstance API version. StorageAccountType is now replaced with RequestedBackupStorageRedundancy and CurrentBackupStorageRedundancy
-- Backups storage redundancy now has GeoZone option
+- Update TDE operations to use "2021-02-01-preview" API version
+- Backup storage redundancy now has GeoZone option and this is why API version upgrade was needed (2021-05-01-preview) for following operations: ManagedInstances, Databases, LongTermRetentionBackups, LongTermRetentionManagedInstanceBackups,
+RestorableDroppedDatabases, RestorableDroppedManagedDatabases, ServerConnecionPolicies
+- ManagedInstances StorageAccountType parameter is now replaced with RequestedBackupStorageRedundancy and CurrentBackupStorageRedundancy
       ]]>
 		</PackageReleaseNotes>
 	</PropertyGroup>

sdk/sqlmanagement/Microsoft.Azure.Management.Sql/src/Properties/AssemblyInfo.cs

@@ -22,4 +22,4 @@
 [assembly: AssemblyTitle("Microsoft Azure SQL Management Library")]
 [assembly: AssemblyDescription("Provides management functionality for Microsoft Azure SQL.")]
 [assembly: AssemblyVersion("1.0.0.0")]
-[assembly: AssemblyFileVersion("2.1.0.0")]
+[assembly: AssemblyFileVersion("2.0.0.0")]