Unused optional elements
Unused optional elements

The scripts parsing this file don't care if an element is optional or
not, so why bother.

Change-Id: I0860c9209347d6fab83e1faf2867db4de94216ac

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core