Remove unnecessary comme in webgl_effects_parallaxbarrier

examples/webgl_effects_parallaxbarrier.html

@@ -313,7 +313,7 @@
 						[ "Bronze", 	mlib[ "Bronze" ] ],
 						[ "Chrome", 	mlib[ "Chrome" ] ]
 
-					],
+					]
 
 				};
 
@@ -354,7 +354,7 @@
 						[ "Bronze", 	mlib[ "Bronze" ] ],
 						[ "Chrome", 	mlib[ "Chrome" ] ]
 
-					],
+					]
 
 				};
 
@@ -414,7 +414,7 @@
 						[ "Bronze", 	mlib[ "Bronze" ] ],
 						[ "Chrome", 	mlib[ "Chrome" ] ]
 
-					],
+					]
 
 				};