code: public String deleteTerm(String listId, String term, String language) {
          return deleteTermWithServiceResponseAsync(listId, term, language).toBlocking().single().body();
      }
docs: Deletes a term from the list with list Id equal to the list Id passed.
  
  @param listId List Id of the image list.
  @param term Term to be deleted
  @param language Language of the terms.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @throws APIErrorException thrown if the request is rejected by server
  @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
  @return the String object if successful.