Delete your YouTube comment history.
Add the Erasure Chrome extension: https://chrome.google.com/webstore/detail/erasure/lkhceldiinefjkocccdmpgheheeddfmb?hl=en-US
Or navigate to https://www.youtube.com/feed/history/comment_history and then paste the entire script from "script.js" in your javascript console.
Read CONTRIBUTING.md for todo list
Update 2.0.1
Now works on the new YouTube comment history page.