Revert "Commit updated Javascript packages"

This reverts commit a88734348a.

build/javascript/node_modules/mux.js/lib/codecs/index.js

@@ -1,10 +0,0 @@
-/**
- * mux.js
- *
- * Copyright (c) Brightcove
- * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE
- */
-module.exports = {
-  Adts: require('./adts'),
-  h264: require('./h264')
-};