refactor: don't expose CallbacksRegistry as an internal module (#14389)

lib/common/api/module-list.js

@@ -5,7 +5,6 @@ module.exports = [
   {name: 'nativeImage', file: 'native-image'},
   {name: 'shell', file: 'shell'},
   // The internal modules, invisible unless you know their names.
-  {name: 'CallbacksRegistry', file: 'callbacks-registry', private: true},
   {name: 'deprecate', file: 'deprecate', private: true},
   {name: 'deprecations', file: 'deprecations', private: true},
   {name: 'isPromise', file: 'is-promise', private: true}

lib/renderer/api/remote.js

@@ -1,9 +1,10 @@
 'use strict'
 
 const v8Util = process.atomBinding('v8_util')
-const {ipcRenderer, isPromise, CallbacksRegistry} = require('electron')
+const {ipcRenderer, isPromise} = require('electron')
 const resolvePromise = Promise.resolve.bind(Promise)
 
+const CallbacksRegistry = require('../callbacks-registry')
 const bufferUtils = require('../../common/buffer-utils')
 
 const callbacksRegistry = new CallbacksRegistry()

lib/sandboxed_renderer/api/module-list.js

@@ -1,11 +1,6 @@
 const features = process.atomBinding('features')
 
 module.exports = [
-  {
-    name: 'CallbacksRegistry',
-    load: () => require('../../common/api/callbacks-registry'),
-    private: true
-  },
   {
     name: 'crashReporter',
     load: () => require('../../common/api/crash-reporter')