Revert "Commit updated Javascript packages"

This reverts commit a88734348a.

build/javascript/node_modules/m3u8-parser/scripts/m3u8.js

@@ -1,22 +0,0 @@
-'use strict';
-const m3u8 = require('./export-m3u8s.js');
-
-const args = require('minimist')(process.argv.slice(2), {
-  boolean: ['watch', 'clean', 'build'],
-  default: {
-    build: true
-  },
-  alias: {
-    b: 'build',
-    c: 'clean',
-    w: 'watch'
-  }
-});
-
-if (args.w) {
-  m3u8.watch();
-} else if (args.c) {
-  m3u8.clean();
-} else if (args.b) {
-  m3u8.build();
-}