Well, I think it was chh_68 who found the workaround originally, then Mattches posted it in a more organized step-by-step. I could be wrong on that. 
The screenshots in this post are really helpful for those who like visuals though! Nice work.
@ujjalsmu86 Off topic for this post but try this. 
How to Submit a Wallet Unlinking Request
How to Remove Verified Devices (screenshots)