HDRenderPipeline: Disable (not implemented) IES lights to save one slot on PS4 (until PS4 is fix)

Assets/ScriptableRenderLoop/HDRenderPipeline/Lighting/TilePass/TilePass.hlsl

 SAMPLER2D_SHADOW(samplerg_tShadowBuffer);
 
 // Use texture array for IES
-TEXTURE2D_ARRAY(_IESArray);
-SAMPLER2D(sampler_IESArray);
+//TEXTURE2D_ARRAY(_IESArray);
+//SAMPLER2D(sampler_IESArray);
 
 // Used by directional and spot lights
 TEXTURE2D_ARRAY(_CookieTextures);
 // ----------------------------------------------------------------------------
 
 // sphericalTexCoord is theta and phi spherical coordinate
-float4 SampleIES(LightLoopContext lightLoopContext, int index, float2 sphericalTexCoord, float lod)
-{
-    return SAMPLE_TEXTURE2D_ARRAY_LOD(_IESArray, sampler_IESArray, sphericalTexCoord, index, 0);
-}
+//float4 SampleIES(LightLoopContext lightLoopContext, int index, float2 sphericalTexCoord, float lod)
+//{
+//    return SAMPLE_TEXTURE2D_ARRAY_LOD(_IESArray, sampler_IESArray, sphericalTexCoord, index, 0);
+//}
 
 //-----------------------------------------------------------------------------
 // Reflection proble / Sky sampling function

Assets/ScriptableRenderLoop/HDRenderPipeline/Material/Lit/Lit.hlsl

 
     // TODO: measure impact of having all these dynamic branch here and the gain (or not) of testing illuminace > 0
 
-    [branch] if (lightData.IESIndex >= 0 && illuminance > 0.0)
-    {
-        float3x3 lightToWorld = float3x3(lightData.right, lightData.up, lightData.forward);
-        float2 sphericalCoord = GetIESTextureCoordinate(lightToWorld, L);
-        illuminance *= SampleIES(lightLoopContext, lightData.IESIndex, sphericalCoord, 0).r;
-    }
+    //[branch] if (lightData.IESIndex >= 0 && illuminance > 0.0)
+    //{
+    //    float3x3 lightToWorld = float3x3(lightData.right, lightData.up, lightData.forward);
+    //    float2 sphericalCoord = GetIESTextureCoordinate(lightToWorld, L);
+    //    illuminance *= SampleIES(lightLoopContext, lightData.IESIndex, sphericalCoord, 0).r;
+    //}
 
     [branch] if (lightData.shadowIndex >= 0 && illuminance > 0.0)
     {