Minor clean up GLTFExporter

examples/js/exporters/GLTFExporter.js

@@ -123,9 +123,6 @@ THREE.GLTFExporter.prototype = {
 
 		var cachedCanvas;
 
-		/**
-		 * Compare two arrays
-		 */
 		/**
 		 * Compare two arrays
 		 * @param  {Array} array1 Array 1 to compare