Update translation files

Updated by "Update LINGUAS file" hook in Weblate.

Translation: Wingpanel/Date & Time Indicator (Extra)
Translate-URL: https://l10n.elementaryos.org/projects/wingpanel/indicator-datetime-extra/

Author: weblate

po/extra/LINGUAS

@@ -191,7 +191,6 @@ yo
 za
 zh
 zh_CN
-zh_HK
 zh_TW
 zu
 aa