I just took a closer look!
Currently, there is no option to revert songs in a playlist. If you like certain songs, it's a good idea to save them under Liked Songs or to add them to a specific playlist.
Thank you and I appreciate you taking the time to share your feedback with me.
Have a great day!
Help others find this answer and click "Accept as Solution".
If you appreciate my answer, maybe give me a Like.
Note: I'm not a Spotify employee.