recent documents: Kill useless comments.
recent documents: Kill useless comments.

Change-Id: I71a785149f780530f9f3a430eb866d16b8feda3e

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