cleanup

Project/Assets/ML-Agents/Examples/Walker/Scripts/WalkerAgentDynamic.cs

         sensor.AddObservation(m_OrientationCube.transform.InverseTransformDirection(bp.rb.angularVelocity));
         
         //Get position relative to hips in the context of our orientation cube's space
-        sensor.AddObservation(m_OrientationCube.transform.InverseTransformPoint(bp.rb.position));  //best
-//        sensor.AddObservation(m_OrientationCube.transform.InverseTransformDirection(bp.rb.position - hips.position));  //best
+        sensor.AddObservation(m_OrientationCube.transform.InverseTransformDirection(bp.rb.position - hips.position));  //best
 
         if (bp.rb.transform != hips && bp.rb.transform != handL && bp.rb.transform != handR)
         {

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