paypro: remove x509.js

lib/browser/PayPro.js

@@ -1,7 +1,7 @@
 "use strict";
 
 var Key = require('./Key');
-var KJUR = require('./x509');
+var KJUR = require('jsrsasign');
 var assert = require('assert');
 var PayPro = require('../PayPro');
 var RootCerts = require('../common/RootCerts');

lib/browser/x509.js

@@ -1,2 +0,0 @@
-var jsrsasign = require('jsrsasign');
-module.exports = jsrsasign;