Generator: Fix generateRpcReplyTemplates()
Generator: Fix generateRpcReplyTemplates()

Drop last 's' in group name in types matching, so:

- Bots layer instantiate BotCommand, BotInfo and other reply types
- Users layer instantiate User, UserFull, UserPhoto and other replies
- etc

Kaffeine/telegram-qt,Kaffeine/telegram-qt,Kaffeine/telegram-qt