removed texture example

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

         m_OrientationCube = Instantiate(Resources.Load<GameObject>("OrientationCube"), oCubePos, Quaternion.identity);
         m_OrientationCube.transform.SetParent(transform);
         
-        
-        var texture = Resources.Load<Texture2D>("Textures/texture01");
-
         m_JdController = GetComponent<JointDriveController>();
         m_JdController.SetupBodyPart(hips);
         m_JdController.SetupBodyPart(chest);