Revert "Default contact shadow LIGHT quality setting set to true on High (#1911)"

This reverts commit 786e269.

Author: sebastienlagarde

com.unity.render-pipelines.high-definition/CHANGELOG.md

@@ -90,7 +90,6 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Fixed for lookdev library field not being refreshed upon opening a library from the environment library inspector.
 - Fixed serialization issue with matcap scale intensity.
 - Close Add Override popup of Volume Inspector when the popup looses focus (case 1258571)
-- Light quality setting for contact shadow set to on for High quality by default.
 
 ### Changed
 - Preparation pass for RTSSShadows to be supported by render graph.

com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/Settings/RenderPipelineSettings.cs

@@ -115,7 +115,6 @@ public enum SupportedRayTracingMode
             xrSettings = GlobalXRSettings.NewDefault(),
             postProcessQualitySettings = GlobalPostProcessingQualitySettings.NewDefault(),
             lightingQualitySettings = GlobalLightingQualitySettings.NewDefault(),
-            lightSettings = LightSettings.NewDefault(),
 
             supportRayTracing = false,
             supportedRayTracingMode = SupportedRayTracingMode.Both,
@@ -141,12 +140,6 @@ public struct LightSettings
         {
             /// <summary>Enable contact shadows.</summary>
             public BoolScalableSetting useContactShadow;
-
-            internal static LightSettings NewDefault() => new LightSettings()
-            {
-                useContactShadow = new BoolScalableSetting(new[] { false, false, true }, ScalableSettingSchemaId.With3Levels)
-            };
-
         }
 
         // Lighting