Function to delete one predict job from the DataRobot queue
This function deletes the predict job specified by predictJobId from the DataRobot queue.
Either (1) a character string giving the unique alphanumeric identifier for the project, or (2) a list containing the element projectId with this identifier.
Integer, identifying the prediction job created by the call to RequestPredictions.
Logical TRUE and displays a message to the user if the delete request was successful; otherwise, execution halts and an error message is displayed.