Fix newznab redirect database migration

(cherry picked from commit f67bc52f85fa0677f4cda5b7b7dcb30dfe31468a)

src/NzbDrone.Core/Datastore/Migration/043_newznab_indexers_enable_redirect.cs

@@ -1,5 +1,3 @@
-using System.Data;
-using Dapper;
 using FluentMigrator;
 using NzbDrone.Core.Datastore.Migration.Framework;
 
@@ -10,13 +8,7 @@ namespace NzbDrone.Core.Datastore.Migration
     {
         protected override void MainDbUpgrade()
         {
-            Execute.WithConnection(UpdateNewznabRedirectSetting);
+            Update.Table("Indexers").Set(new { Redirect = true }).Where(new { Implementation = "Newznab", Redirect = false });
-        }
-
-        private void UpdateNewznabRedirectSetting(IDbConnection conn, IDbTransaction tran)
-        {
-            var updateSql = "UPDATE \"Indexers\" SET \"Redirect\" = @Redirect WHERE \"Implementation\" = 'Newznab' AND \"Redirect\" = false";
-            conn.Execute(updateSql, new { Redirect = true }, transaction: tran);
         }
     }
 }