Revert to SMO with older SQLClient driver (#889)

* Revert "Update SMO (#875)"

This reverts commit 96593d66e3.

* Revert "Switch Tools Service to new SMO and Microsoft.Data.SqlClient driver (#865)"

This reverts commit 9d140b53f3.

* Bump SMO to 160.1910315.0-preview

src/Microsoft.SqlTools.ManagedBatchParser/ReliableConnection/CachedServerInfo.cs

@@ -6,7 +6,7 @@
 using System;
 using System.Collections.Concurrent;
 using System.Data;
-using Microsoft.Data.SqlClient;
+using System.Data.SqlClient;
 using System.Diagnostics;
 using System.Linq;
 using Microsoft.SqlServer.Management.Common;

src/Microsoft.SqlTools.ManagedBatchParser/ReliableConnection/DbCommandWrapper.cs

@@ -5,7 +5,7 @@
 
 using System;
 using System.Data;
-using Microsoft.Data.SqlClient;
+using System.Data.SqlClient;
 using Microsoft.SqlTools.Utility;
 
 namespace Microsoft.SqlTools.ServiceLayer.Connection.ReliableConnection

src/Microsoft.SqlTools.ManagedBatchParser/ReliableConnection/DbConnectionWrapper.cs

@@ -5,7 +5,7 @@
 
 using System;
 using System.Data;
-using Microsoft.Data.SqlClient;
+using System.Data.SqlClient;
 using Microsoft.SqlTools.Utility;
 
 namespace Microsoft.SqlTools.ServiceLayer.Connection.ReliableConnection

src/Microsoft.SqlTools.ManagedBatchParser/ReliableConnection/ReliableConnectionHelper.cs

@@ -6,7 +6,7 @@
 using System;
 using System.Collections.Generic;
 using System.Data;
-using Microsoft.Data.SqlClient;
+using System.Data.SqlClient;
 using System.Diagnostics;
 using System.Diagnostics.CodeAnalysis;
 using System.Globalization;

src/Microsoft.SqlTools.ManagedBatchParser/ReliableConnection/ReliableSqlCommand.cs

@@ -26,7 +26,7 @@
 using System;
 using System.Data;
 using System.Data.Common;
-using Microsoft.Data.SqlClient;
+using System.Data.SqlClient;
 using System.Diagnostics.Contracts;
 
 namespace Microsoft.SqlTools.ServiceLayer.Connection.ReliableConnection

src/Microsoft.SqlTools.ManagedBatchParser/ReliableConnection/ReliableSqlConnection.cs

@@ -27,7 +27,7 @@ using System;
 using System.Collections.Generic;
 using System.Data;
 using System.Data.Common;
-using Microsoft.Data.SqlClient;
+using System.Data.SqlClient;
 using System.Diagnostics;
 using System.Globalization;
 using System.Text;

src/Microsoft.SqlTools.ManagedBatchParser/ReliableConnection/RetryPolicy.DataTransferDetectionErrorStrategy.cs

@@ -3,7 +3,7 @@
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 //
 
-using Microsoft.Data.SqlClient;
+using System.Data.SqlClient;
 using System.Diagnostics;
 using Microsoft.SqlTools.Utility;
 

src/Microsoft.SqlTools.ManagedBatchParser/ReliableConnection/RetryPolicy.IErrorDetectionStrategy.cs

@@ -4,7 +4,7 @@
 //
 
 using System;
-using Microsoft.Data.SqlClient;
+using System.Data.SqlClient;
 
 namespace Microsoft.SqlTools.ServiceLayer.Connection.ReliableConnection
 {

src/Microsoft.SqlTools.ManagedBatchParser/ReliableConnection/RetryPolicy.NetworkConnectivityErrorStrategy.cs

@@ -3,7 +3,7 @@
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 //
 
-using Microsoft.Data.SqlClient;
+using System.Data.SqlClient;
 
 namespace Microsoft.SqlTools.ServiceLayer.Connection.ReliableConnection
 {

src/Microsoft.SqlTools.ManagedBatchParser/ReliableConnection/RetryPolicy.SqlAzureTemporaryAndIgnorableErrorDetectionStrategy.cs

@@ -4,7 +4,7 @@
 //
 
 using System.Collections.Generic;
-using Microsoft.Data.SqlClient;
+using System.Data.SqlClient;
 
 namespace Microsoft.SqlTools.ServiceLayer.Connection.ReliableConnection
 {

src/Microsoft.SqlTools.ManagedBatchParser/ReliableConnection/RetryPolicy.SqlAzureTemporaryErrorDetectionStrategy.cs

@@ -3,7 +3,7 @@
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 //
 
-using Microsoft.Data.SqlClient;
+using System.Data.SqlClient;
 
 namespace Microsoft.SqlTools.ServiceLayer.Connection.ReliableConnection
 {

src/Microsoft.SqlTools.ManagedBatchParser/ReliableConnection/RetryPolicy.ThrottleReason.cs

@@ -5,7 +5,7 @@
 
 using System;
 using System.Collections.Generic;
-using Microsoft.Data.SqlClient;
+using System.Data.SqlClient;
 using System.Globalization;
 using System.Linq;
 using System.Text;

src/Microsoft.SqlTools.ManagedBatchParser/ReliableConnection/RetryPolicy.cs

@@ -24,7 +24,7 @@
 // namespace Microsoft.SqlServer.Management.Common
 
 using System;
-using Microsoft.Data.SqlClient;
+using System.Data.SqlClient;
 using System.Diagnostics;
 using System.Diagnostics.Contracts;
 using System.Globalization;

src/Microsoft.SqlTools.ManagedBatchParser/ReliableConnection/RetryPolicyUtils.cs

@@ -5,7 +5,7 @@
 
 using System;
 using System.Collections.Generic;
-using Microsoft.Data.SqlClient;
+using System.Data.SqlClient;
 using System.Diagnostics;
 using System.Runtime.InteropServices;
 using Microsoft.SqlTools.Utility;