Merge pull request #18278 from takahirox/UpdatePostProcessingSobel

Remove a duplicated line from webgl_postprocessing_sobel.html

examples/webgl_postprocessing_sobel.html

@@ -30,8 +30,6 @@
 
 			var camera, scene, renderer, composer;
 
-			var camera, scene, renderer, composer;
-
 			var effectSobel;
 
 			var params = {