Revert part of "impress210: check readonly"
Revert part of "impress210: check readonly"

This reverts commit 416435e1dcbc175787a5a9e03142f7f766b6a648.

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