old_contents: global.WRTC = require('wrtc')
  global.WEBTORRENT_ANNOUNCE = [ 'wss://tracker.webtorrent.io/' ]
  
new_contents: global.WRTC = require('wrtc')
  global.WEBTORRENT_ANNOUNCE = [ 'wss://tracker.webtorrent.io' ]
  
subject: Revert "Fix error "connection error to wss://tracker.webtorrent.io?1fe16837ed""