Clean-up after timezone property change (missed file from last commit).


git-svn-id: https://svn.calendarserver.org/repository/calendarserver@12697 e27351fd-9f3e-4f54-a53b-843176b1656c
Scheduling clean-up.


git-svn-id: https://svn.calendarserver.org/repository/calendarserver@12698 e27351fd-9f3e-4f54-a53b-843176b1656c
Scheduling clean-up.


git-svn-id: https://svn.calendarserver.org/repository/calendarserver@12699 e27351fd-9f3e-4f54-a53b-843176b1656c