Remove an outdated comment

ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/Lit.cs

         {
             m_InitPreFGD = CoreUtils.CreateEngineMaterial("Hidden/HDRenderPipeline/PreIntegratedFGD");
 
-            // For DisneyDiffuse integration values goes from (0.5 to 1.53125). GGX need 0 to 1. Use float format.
             m_PreIntegratedFGD = new RenderTexture(128, 128, 0, RenderTextureFormat.ARGB2101010, RenderTextureReadWrite.Linear);
             m_PreIntegratedFGD.filterMode = FilterMode.Bilinear;
             m_PreIntegratedFGD.wrapMode = TextureWrapMode.Clamp;