Disabled new shadow system again in preparation of a merge into the main branch.

Assets/ScriptableRenderPipeline/HDRenderPipeline/Lighting/TilePass/TilePass.cs

-#define SHADOWS_ENABLED
-#define SHADOWS_FIXSHADOWIDX
+//#define SHADOWS_ENABLED
+//#define SHADOWS_FIXSHADOWIDX
 using UnityEngine.Rendering;
 using System.Collections.Generic;
 using System;

Assets/ScriptableRenderPipeline/HDRenderPipeline/Shadow/Shadow.hlsl

 //
 
 
-#define SHADOWS_USE_SHADOWCTXT
+//#define SHADOWS_USE_SHADOWCTXT
 
 #ifdef  SHADOWS_USE_SHADOWCTXT
 #define SHADOW_SUPPORTS_DYNAMIC_INDEXING 0 // only on >= sm 5.1

Assets/ScriptableRenderPipeline/HDRenderPipeline/Shadow/ShadowBase.cs

         All = Point | Spot | Directional
     };
 
+
+    [GenerateHLSL]
+        VSM_1tap,
+        MSM_1tap
     };
 
     namespace ShadowExp // temporary namespace until everything can be merged into the HDPipeline