minor fix in docu

docs/3_ROBOT_SETUP.md

@@ -113,7 +113,7 @@ $ sudo pip install pygame
 ```
 The program is located in the `remote_control/`. Run it using
 ```
-$ python keyboard_controller.py '192.168.1.101'
+$ python keyboard_controller.py 192.168.1.101
 ```
 When running the program you should see an output in the WebREPL that a connection was established.
 You can use the arrow keys for sending commands to the microcontroller which it then passes on to the motors.

remote_control/fiducial_to_2d_pos_angle.py

@@ -1,38 +0,0 @@
-import sys
-import rospy
-
-from marker_pos_angle.msg import id_pos_angle
-from fiducial_msgs.msg import FiducialTransformArray
-from tf.transformations import euler_from_quaternion
-
-pub = rospy.Publisher('marker_id_pos_angle', id_pos_angle, queue_size=10)
-'''
-This callback function listens to fiducial messages that describe the translation and rotation of markers w.r.t. to the 
-camera and transforms them to a position in the 2d plane and the angle of the robot in the plane
-'''
-def callback(data):
-    for d in data.transforms:
-        id = d.fiducial_id
-
-        q = d.transform.rotation
-        t = d.transform.translation
-
-        euler = euler_from_quaternion([q.x, q.y, q.z, q.w])
-
-        m = id_pos_angle()
-        m.id = id
-        m.x = t.x
-        m.y = -t.y
-        m.angle = -euler[2]
-
-        pub.publish(m)
-
-def main(args):
-    rospy.init_node('euler_quaternion_node', anonymous=True)
-
-    quaternion_sub = rospy.Subscriber("/fiducial_transforms", FiducialTransformArray, callback)
-
-    rospy.spin()
-
-if __name__ == '__main__':
-    main(sys.argv)