Fully remove when.js dependency

packages/node_modules/@node-red/registry/lib/localfilesystem.js

@@ -17,7 +17,6 @@
 var fs = require("fs");
 var path = require("path");
 
-var events;
 var log;
 
 var log = require("@node-red/util").log;
@@ -29,7 +28,6 @@ var iconFileExtensions = [".png", ".gif", ".svg"];
 
 function init(runtime) {
     settings = runtime.settings;
-    events = runtime.events;
 }
 
 function isIncluded(name) {
@@ -75,7 +73,6 @@ function getLocalFile(file) {
 
 /**
  * Synchronously walks the directory looking for node files.
- * Emits 'node-icon-dir' events for an icon dirs found
  * @param dir the directory to search
  * @return an array of fully-qualified paths to .js files
  */
@@ -229,7 +226,6 @@ function getModuleNodeFiles(module) {
     try {
         fs.statSync(examplesDir)
         result.examples = {path:examplesDir};
-        // events.emit("node-examples-dir",{name:pkg.name,path:examplesDir});
     } catch(err) {
     }
     return result;