Removed Sheen IBL DFG LUT from ShaderLib

src/renderers/shaders/ShaderLib.js

@@ -276,7 +276,6 @@ ShaderLib.physical = {
 			clearCoat: { value: 0 },
 			clearCoatRoughness: { value: 0 },
 			sheenColor: { value: new Color( 0x000000 ) },
-			dfgLut: { value: null },
 			clearCoatNormalScale: { value: new Vector2( 1, 1 ) },
 			clearCoatNormalMap: { value: null },
 		}