removed curriculum tennis

Project/Assets/ML-Agents/Examples/Tennis/Scripts/TennisAgent.cs

     public GameObject myArea;
     public float angle;
     public float scale;
-    float m_BallTouch;
 
     Text m_TextComponent;
     Rigidbody m_AgentRb;
         return action;
     }
 
-    void OnCollisionEnter(Collision c)
-    {
-        if (c.gameObject.CompareTag("ball"))
-        {
-            // 8f is for offset of ball to area
-            AddReward(.05f * m_BallTouch * (8f + ball.transform.position.y - myArea.transform.position.y));
-        }
-    }
-
-        m_BallTouch = Academy.Instance.FloatProperties.GetPropertyWithDefault("ball_touch", 0);
         m_InvertMult = invertX ? -1f : 1f;
 
         transform.position = new Vector3(-m_InvertMult * Random.Range(6f, 8f), -1.5f, -1.8f) + transform.parent.transform.position;

config/curricula/tennis.yaml

-Tennis:
-  measure: progress
-  thresholds: [0.05, 0.1]
-  min_lesson_length: 100
-  signal_smoothing: true
-  parameters:
-    ball_touch: [1.0, 0.5, 0.0]