gtk3.22: Use "Clean" action
Make gtk3.22-client to support "Clean" action and activity.
- Add "Clean Nuisance" menu, from which exact clean target can be selected - Turn "Clean Pollution" to just "Clean" and make it clean Fallout too - Drop separate "Clean Fallout"
Make gtk3.22-client to support "Clean" action and activity.
- Add "Clean Nuisance" menu, from which exact clean target can be selected
- Turn "Clean Pollution" to just "Clean" and make it clean Fallout too
- Drop separate "Clean Fallout"