Revert "Fix for text of shadow splits being truncated at the bottom (#1822)"

This reverts commit 84fb526.

Author: sebastienlagarde

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

@@ -83,7 +83,6 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Fixed SSGI compilation issues on PS4.
 - Fixed "Screen position out of view frustum" error when camera is on exactly the planar reflection probe plane.
 - Workaround issue that caused objects using eye shader to not be rendered on xbox.
-- Fixed text in cascades shadow split being truncated.
 
 ### Changed
 - Preparation pass for RTSSShadows to be supported by render graph.

com.unity.render-pipelines.high-definition/Editor/Lighting/Shadow/ShadowCascadeGUI.cs

@@ -8,7 +8,7 @@ namespace UnityEditor
     static class ShadowCascadeGUI
     {
         private const int kSliderbarTopMargin = 2;
-        private const int kSliderbarHeight = 25;
+        private const int kSliderbarHeight = 24;
         private const int kSliderbarBottomMargin = 2;
         private const int kPartitionHandleWidth = 2;
         private const int kPartitionHandleExtraHitAreaWidth = 2;