HDRenderPipeline: Remove shadowmask code that was not suppose to be commited

ScriptableRenderPipeline/HDRenderPipeline/Material/MaterialUtilities.hlsl

 #endif
 }
 
-float4 SampleShadowMask(float3 positionWS, float2 uvStaticLightmap) // normalWS not use for now
-{
-#if defined(LIGHTMAP_ON)
-    float2 uv = uvStaticLightmap * unity_LightmapST.xy + unity_LightmapST.zw;
-    float4 rawOcclusionMask = SAMPLE_TEXTURE2D(unity_ShadowMask, samplerunity_Lightmap, uv); // Reuse sampler from Lightmap
-#else
-    float4 rawOcclusionMask;        
-    if (unity_ProbeVolumeParams.x == 1.0)
-    {
-        // TODO: We use GetAbsolutePositionWS(positionWS) to handle the camera relative case here but this should be part of the unity_ProbeVolumeWorldToObject matrix on C++ side (sadly we can't modify it for HDRenderPipeline...)
-        rawOcclusionMask = SampleProbeOcclusion(TEXTURE3D_PARAM(unity_ProbeVolumeSH, samplerunity_ProbeVolumeSH), GetAbsolutePositionWS(positionWS), unity_ProbeVolumeWorldToObject,
-                                                unity_ProbeVolumeParams.y, unity_ProbeVolumeParams.z, unity_ProbeVolumeMin, unity_ProbeVolumeSizeInv);
-    }
-    else
-    {
-        rawOcclusionMask = unity_ProbesOcclusion;
-    }
-#endif
-
-    return rawOcclusionMask;
-}
-
 float2 CalculateVelocity(float4 positionCS, float4 previousPositionCS)
 {
     // This test on define is required to remove warning of divide by 0 when initializing empty struct