Unset environment variable set by installation
Unset environment variable set by installation

Remove the KALITE_ROOT_DATA_PATH variable set by the installer.
The change is not broadcast by inno setup, so currently running processes won't acknowledge the change.

ruimalheiro/installers,learningequality/installers,learningequality/ka-lite-installers,learningequality/ka-lite-installers,MCGallaspy/installers,ruimalheiro/installers,MCGallaspy/installers,mrpau/installers,mrpau/installers,mrpau/installers,benjaoming/installers,benjaoming/installers,learningequality/installers,MCGallaspy/installers,learningequality/installers,benjaoming/installers,MCGallaspy/installers,learningequality/installers,learningequality/ka-lite-installers,benjaoming/installers,mrpau/installers,ruimalheiro/installers,ruimalheiro/installers,learningequality/ka-lite-installers