minor fix of leftover debug print - update_robot.py
minor fix of leftover debug print - update_robot.py

Sannoso/baxter_examples,baxter-flowers/baxter_tools,RethinkRobotics/baxter_tools,RethinkRobotics/baxter,RethinkRobotics/baxter_examples,wjchen84/baxter_examples,jaspell/baxter_examples