Yes, that's correct.It's my understanding these files are for speech recognition. Since the XL335 does not have speech input they are not required for my specific model.
Obviously, they were included for more advanced models. Correct?
You can delete the LoquendoTTS folder if you don't need it. Also, you can remove some voices from the voices folder. How big is your internal memory, 1GB? If so, you should look for another map. For example the USA 860.3126 (773 MB).