public static async Task Delete(this Event.Instance self, Event evt)
        {
            RestUserMessage?message = await self.GetMessage(evt);

            if (message != null)
            {
                await message.DeleteAsync();
            }

            message = await self.GetNotifyMessage(evt);

            if (message != null)
            {
                await message.DeleteAsync();
            }

            Log.Write("Delete Event Messages: \"" + evt.Name + "\" (" + evt.Id + ")", "Bot");
        }