remove face_visualizer

face_visualizer.py

-#!/usr/bin/env python
-
-import os
-import sys
-import rospy
-import timeit
-import cv2
-from sensor_msgs.msg import Image
-from std_msgs.msg import String
-
-
-
-def face_listener():
-  rospy.init_node('listener', anonymous=True)
-  rospy.Subscriber("/robot/xdisplay", Image, xdisplay_callback)
-
-
-def get_user_hr_callback(self, msg):
-  rospy.loginfo(rospy.get_caller_id() + "I heard %s", data.data)
-  rospy.spin()
-
-
-if __name__ == "__main__":
-  face_listener()
\ No newline at end of file