You can "archive" a "Baseline Folder" when it's no longer being actively used. Doing so will help reduce the clutter in "Baseline Folders - Active" table and make it easier to use.
Here are the steps to "archive" an active "Baseline Folder":
Baselines
tab, the resulting page will display all baseline folders under "Available Baselines" section.archive
link next to the "Baseline Folder" you'd like to archive.