Deletes stored utterances.
See https://www.paws-r-sdk.com/docs/lexmodelbuildingservice_delete_utterances/ for full documentation.
lexmodelbuildingservice_delete_utterances(botName, userId)
[required] The name of the bot that stored the utterances.
[required] The unique identifier for the user that made the utterances. This is the user ID that was sent in the PostContent or PostText operation request that contained the utterance.