remove migration code

ChatTwo/Configuration.cs

@@ -56,8 +56,6 @@ internal class Configuration : IPluginConfiguration
     public bool OverrideStyle;
     public string? ChosenStyle;
 
-    public uint DatabaseMigration = LatestDbVersion;
-
     internal void UpdateFrom(Configuration other)
     {
         HideChat = other.HideChat;
@@ -96,7 +94,6 @@ internal class Configuration : IPluginConfiguration
         WindowAlpha = other.WindowAlpha;
         ChatColours = other.ChatColours.ToDictionary(entry => entry.Key, entry => entry.Value);
         Tabs = other.Tabs.Select(t => t.Clone()).ToList();
-        DatabaseMigration = other.DatabaseMigration;
         OverrideStyle = other.OverrideStyle;
         ChosenStyle = other.ChosenStyle;
     }

ChatTwo/Store.cs

@@ -45,25 +45,6 @@ internal class Store : IDisposable
             // EnumAsInteger = true,
         };
 
-        if (Plugin.Config.DatabaseMigration == 0)
-        {
-            BsonMapper.Global.Entity<Message>()
-                .Id(msg => msg.Id)
-                .Ctor(doc => new Message(
-                    doc["_id"].AsObjectId,
-                    (ulong) doc["Receiver"].AsInt64,
-                    (ulong) doc["ContentId"].AsInt64,
-                    DateTime.UnixEpoch.AddMilliseconds(doc["Date"].AsInt64),
-                    doc["Code"].AsDocument,
-                    doc["Sender"].AsArray,
-                    doc["Content"].AsArray,
-                    doc["SenderSource"],
-                    doc["ContentSource"],
-                    doc["SortCode"].AsDocument
-                ));
-        }
-        else
-        {
         BsonMapper.Global.Entity<Message>()
             .Id(msg => msg.Id)
             .Ctor(doc => new Message(
@@ -79,7 +60,6 @@ internal class Store : IDisposable
                 doc["SortCode"].AsDocument,
                 doc["ExtraChatChannel"]
             ));
-        }
 
         BsonMapper.Global.RegisterType<Payload?>(
             payload =>