See QubesOS/qubes-issues#5799. Undo the change to empty password previously performed by that package.
The qubes-core-agent-passwordless-root package ships sudo configuration, adding to sudo group isn't needed. Basically revert all changes made by qubes-core-agent-passwordless-root installation. Fixes QubesOS/qubes-issues#4015
Make passwordless root access optional - ease integration qrexec authorization for sudo. QubesOS/qubes-issues#2695