[reboot] Small portion of the text for a world clock remains after deleting it

[Victor Thompson]

When removing the last world clock from the app a small amount of text is visible until the app is restarted or another world clock is added (see attached)

TO REPRODUCE:

1. Swipe downward to launch the "Select a city" page
2. Select a city
3. Repeat steps 1 and 2 until you have 1 or more world clocks on the main view
4. Delete all world clocks by swiping each to the right and clicking the trash can icon
5. Note that when the last one is removed a small amount of text remains on the screen

EXPECTED RESULTS:

There is no remnants of the previously deleted world clock item.