remove factory artefact

Author: shunkica

example/xmldsig-validator-example.js

@@ -1,11 +1,11 @@
 const fs = require("fs");
 
 // Try to import from local build first, fallback to published package
-let XmlSignerFactory, XmlDSigValidator, Algorithms;
+let XmlDSigValidator, Algorithms;
 try {
-  ({ XmlSignerFactory, XmlDSigValidator, Algorithms } = require("../lib/index"));
+  ({ XmlDSigValidator, Algorithms } = require("../lib/index"));
 } catch (error) {
-  ({ XmlSignerFactory, XmlDSigValidator, Algorithms } = require("xml-crypto"));
+  ({ XmlDSigValidator, Algorithms } = require("xml-crypto"));
 }
 
 // Import the signer examples to get signed XML documents