add the opportunity to delete messages in business-chats,

Author: fembina

Sources/Falko.Talkie.Platforms.Telegram/Controllers/MessageControllers/TelegramMessageController.cs

@@ -359,11 +359,6 @@ public async Task UnpublishMessageAsync
             throw new ArgumentException("Message id is required.");
         }
 
-        if (telegramMessageIdentifier.ConnectionIdentifier is not null)
-        {
-            throw new NotSupportedException("Business connection id is not supported.");
-        }
-
         var deleteMessage = new TelegramDeleteMessageRequest
         (
             telegramMessageIdentifier.MessageIdentifier,