Remove entire album from playlist

> Maybe I'm crazy, but I seem to remember an option to remove an entire
> album from a playlist, rather than just one song at a time. Where can I
> find it?

Depends on the UI you're using. In the default web UI you need to enable
the additional controls. Then click a track in the playlist, which
brings up the track item, click the album link. Then there should be an
x button to remove the album from the playlist.