Remove test code from SQLServerDatabaseDriver.cs

src/AddIns/DisplayBindings/Data/ICSharpCode.Data.SQLServer/SQLServerDatabaseDriver.cs

@@ -177,11 +177,6 @@ namespace ICSharpCode.Data.Core.DatabaseDrivers.SQLServer
             SqlConnection sqlConnection = null;
             sqlConnection = new SqlConnection();
             sqlConnection.ConnectionString = datasource.ConnectionString; 
-            
-            var sq = new System.Data.SqlClient.SqlConnectionStringBuilder();
- sq.ConnectionString = sqlConnection.ConnectionString;
- 
- 
             try
             {
                 sqlConnection.Open();