Bug 1836386 - Convert JSMs in browser/components/newtab/lib/PersonalityProvider to ESMs. r=gvn

Differential Revision: https://phabricator.services.mozilla.com/D184528

browser/base/content/test/static/browser_all_files_referenced.js

@@ -281,9 +281,6 @@ var allowlist = [
   { file: "chrome://browser/content/screenshots/copy.svg" },
   { file: "chrome://browser/content/screenshots/download.svg" },
   { file: "chrome://browser/content/screenshots/download-white.svg" },
-
-  // FIXME: Bug 1836386: PromiseWorker with ESM is going to be used by newtab.
-  { file: "resource://gre/modules/workers/PromiseWorker.mjs" },
 ];
 
 if (AppConstants.NIGHTLY_BUILD && AppConstants.platform != "win") {