Move refresh_sender_certificate.js to TypeScript

js/modules/signal.js

@@ -21,7 +21,6 @@ const Stickers = require('./stickers');
 const Settings = require('./settings');
 const RemoteConfig = require('../../ts/RemoteConfig');
 const Util = require('../../ts/util');
-const RefreshSenderCertificate = require('./refresh_sender_certificate');
 const LinkPreviews = require('./link_previews');
 const AttachmentDownloads = require('./attachment_downloads');
 
@@ -434,7 +433,6 @@ exports.setup = (options = {}) => {
     Migrations,
     Notifications,
     OS,
-    RefreshSenderCertificate,
     RemoteConfig,
     Settings,
     Services,