Remove unused throbber.src
Remove unused throbber.src

This list is obsolete. This image list is generated automatically by
Throbber::getDefaultImageURLs in throbber.cxx.

Change-Id: I6f99e944d7557378586882c6d162f72482f09e07

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