_unbindTemporaryEvents() {
    for (let i = 0; i < this.temporaryEventFunctions.length; i++) {
      const eventName = this.temporaryEventFunctions[i].event;
      const boundFunction = this.temporaryEventFunctions[i].boundFunction;
      this.body.emitter.off(eventName, boundFunction);
    }
    this.temporaryEventFunctions = [];
  }
Unbind the events created by _temporaryBindEvent
@private