Remove All Likes On Twitter Using Google Chrome
Script to Unlike Tweets On Twitter
Simply navigate to your liked tweets page https://twitter.com/YourTwitterHandle/likes, hit F12 in Google Chrome in Developer tools and paste the script into the console.
Hit Enter to run the script, you will see your likes going down!
Rate Limiting - 429 Errors
After about roughly ~1000 unlikes you will hit a rate limit, this will represent itself as a 429 error on the console.
If you wait about 15-30 minutes you can unlike another ~1000 tweets.