2. Rename the file playlist-desktop.spa to .zip and extract it to .\playlist-desktop then rename it to .bak.
3. Edit .\playlist-desktop\css\style.css and change the rule for .playlist-extender-content to the following:
.playlist-extender-content {
display: none !important;
margin-top: 60px;
margin-bottom: 16px;
}
4. Restart/start Spotify and enjoy a Recommendation-free experience. \o/