update bundle script

scripts/bundle.js

@@ -1,9 +1,8 @@
 var fs = require('fs');
-var sys = require('sys');
 
-var source = "var jsonlint = (function(){var require=true,module=false;var exports={};" + 
+var source = "var jsonlint = (function(){var require=true,module=false;var exports={};" +
   fs.readFileSync(__dirname+'/../lib/jsonlint.js', 'utf8') +
   "return exports;})()";
 
-sys.puts(source);
+console.log(source);