The following update was made to ensure the ad-detection message is not indexed by crawlers and Google Bot:
Detect bots and crawlers
Disable anti-AdBlock message from appearing to crawlers bots
Additionally, as a preventative measure to thwart community-based sharing-based adblockers the Detection Key was randomized between Xenforo installations - making each customers unique. A future update will delve into this further.
The ADS.JS was moved so after updating to this version you can delete the following file: /js/ads.js
If you installed to a sub-folder, such as /forum/, you can delete: /forum/js/ads.js