Examples: Change default tonemapping in webgl_tonemapping.

Author: mrdoob

examples/screenshots/webgl_tonemapping.jpg

@@ -38,7 +38,7 @@
 
 			const params = {
 				exposure: 1.0,
-				toneMapping: 'ACESFilmic',
+				toneMapping: 'AgX',
 				blurriness: 0.3,
 				intensity: 1.0,
 			};