+/***
+ * This command will expel a boulder from the robot, if it is even present to
+ * begin with.
+ *
+ * pre-condition: Intake arm is at correct height and a boulder is present
+ * inside the robot.
+ *
+ * post-condition: A boulder is expelled from inside the robot to the field
+ * outside of the robot.
+ *
+ * @author Lauren and Niyati
+ *
+ */
+