autohelp: remove outdated claim
A unit with the CanOccupyCity unit class flag may be unable to occupy a city thanks to action enablers. A unit with the CanOccupyCity unit class flag may be able to occupy a city thanks to Lua.
Outdated in 3.0 because of action enablers.
A unit with the CanOccupyCity unit class flag may be unable to occupy a city thanks to action enablers. A unit with the CanOccupyCity unit class flag may be able to occupy a city thanks to Lua.