24Checklist - Uninstall Package
Remove permissions
Navigate in Setup to Permission Sets
Click on “24Checklist Manager”
Click on “Manage Assignments”
Select all assigned users.
Click on “Remove Assignments” or click on bin icon.
Remove Package
In Setup navigate to Installed Packages
In the installed packages page, click uninstall next to the 24Checklist package
In the uninstall page you see a list of components
At the bottom of the page select "*Do not save a copy of this package's data after uninstall”.
Select the checkbox next to “Yes, I want to uninstall this package and permanently delete all associated components”.
Click on uninstall.
After uninstalling is done, you can delete the package by clicking “Del” next to the package name.