I found one very inelegant workaround that depends on the photo and doesn't work for every situation.
First, use the "Copy..." option in the left sidebar to bring up the "Copy Settings" dialog box and uncheck whichever type of setting you want to take out. Confirm the selection, then select your import/original image in the History, and click "Paste."
That should apply all the settings except for the ones unchecked in the copy dialog box.
This doesn't allow you to select a specific step if a certain setting was applied multiple times and gets rid of the entire type of setting.
The paste step shows up as a single aggregated step in the History, instead of all the steps you had copied.