It was suggested that testing upgrades from Ubuntu 18.04 should also be done so I tested an upgrade from Ubuntu 18.04 to Ubuntu 19.04 and eoan (which will become Ubuntu 19.10) and both of these behaved in the same way with the removal of identifyObsoleteKernels so lets do that.
It was suggested that testing upgrades from Ubuntu 18.04 should also be done so I tested an upgrade from Ubuntu 18.04 to Ubuntu 19.04 and eoan (which will become Ubuntu 19.10) and both of these behaved in the same way with the removal of identifyObsolet eKernels so lets do that.