[SE-3401] Updates JakePackage.zip to make JS minification consistent across different machines

common/static/js/vendor/tinymce/BUILD_README.txt

@@ -3,9 +3,13 @@ Instructions for creating js/tinymce.full.min.js
 1. Ensure that the dependencies (NodeJS, Jake, and other dependencies) are installed. If necessary,
    install them per the directions on https://github.com/tinymce/tinymce/tree/4.0.20.
 2. Unzip edx-platform/vendor_extra/tinymce/JakePackage.zip into this directory (so that Jakefile.js resides in this directory).
-3. Run the following command in the tinymce directory:
-   jake minify bundle[themes:modern,plugins:advlist,anchor,autolink,charmap,code,codemirror,contextmenu,image,insertdatetime,link,lists,media,paste,print,save,searchreplace,table,textcolor,visualblocks]
-4. Cleanup by deleting the Unversioned files that were created from unzipping jake_package.zip.
+3. Clean install the dependencies that were unzipped
+   npm ci
+4. Run the following command in the tinymce directory:
+   npx jake clean-js
+5. Run the following command in the tinymce directory:
+   npx jake minify bundle[themes:*,plugins:*]
+6. Cleanup by deleting the Unversioned files that were created from unzipping jake_package.zip.
 
 Instructions for updating tinymce to a newer version: