While trying to edit the volume curve for my tracks, initially doing so wasnt doing anything until I fiddled with changing the track output to one that worked, but this actually created a second volume curve, and now I cant undo the edits I made the first time and they are causing volume ripples / spikes in my track.
Here is a screenshot showing the problem, I have tried removing all the volume curve dots from my current automation line, but a bunch still remain in the midi track (circled) that I cant find out how to remove: