remove stray, old, obsolete CustomAction: RegCleanOld
remove stray, old, obsolete CustomAction: RegCleanOld

Change-Id: I6d524a2342390658062cfc0108853756c543bd7c

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