Clean up.

examples/webgl_tonemapping.html

@@ -40,8 +40,6 @@
 		<script src="js/libs/dat.gui.min.js"></script>
 		<script src="js/loaders/RGBELoader.js"></script>
 		<script src="js/loaders/HDRCubeTextureLoader.js"></script>
-		<script src="js/Half.js"></script>
-		<script src="js/Encodings.js"></script>
 		<script src="js/pmrem/PMREMGenerator.js"></script>
 		<script src="js/pmrem/PMREMCubeUVPacker.js"></script>