Answer:
Negative punishment
Explanation:
Reinforcement refers to do something that will make the behavior to take place more frequently. It can be positive or negative:
On the other way, punishments refers to do something that will make the behavior occur less frequently. I can also be positive or negative:
In the example, the behavior was a noncompliance behavior, therefore we don't want this to keep occuring so we're talking about PUNISHMENT.
Since the consequence was the REMOVAL of a token (something we like) we can conclude that this is an example of negative punishment.