remove hh rew. add trained no-hh model

Project/Assets/ML-Agents/Examples/Walker/Prefabs/DynamicPlatformWalker.prefab

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

 //        avgVelValue = velSum/4;
 //        velInverseLerpVal = VelocityInverseLerp(cubeForward * walkingSpeed, avgVelValue);
         velInverseLerpVal = VelocityInverseLerp(cubeForward * walkingSpeed);
-        rewardManager.UpdateReward("productOfAllRewards", velInverseLerpVal * lookAtTargetReward * headHeightOverFeetReward);
+        rewardManager.UpdateReward("productOfAllRewards", velInverseLerpVal * lookAtTargetReward);
+//        rewardManager.UpdateReward("productOfAllRewards", velInverseLerpVal * lookAtTargetReward * headHeightOverFeetReward);
 //            velInverseLerpVal = VelocityInverseLerp(Vector3.zero, cubeForward * walkingSpeed, avgVelValue);
 
         //This reward will approach 1 if it matches and approach zero as it deviates

Project/Assets/ML-Agents/Examples/Walker/TFModels/WalkerDyMatchSpeedAvgVelALLRBsRandSpeed_5kDampen_HeavierArms_NO_HHRew.nn.meta

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Project/Assets/ML-Agents/Examples/Walker/TFModels/WalkerDynamic CL RndSpeedObserveInvLerpAndWalkSpeedRatio.nn.meta

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