See How to interpret "Uninstall the following ..." in the SailfishOS-updater? - #2 by olf
If you search (you always should do that first), you see that this is a very common issue: Search results for 'remove packages' - Sailfish OS Forum
If you don’t know what this is all about (most users do not, so this is the real issue: Confronting users with an uninterpretable message), you have no choice to proceed as @Seven.of.nine suggested.