Remove unused member variable
Remove unused member variable

its usefulness was gone at ac25ae2544969f57b0c3d51a7ee9e3eb047a8915

Change-Id: I606cd4adb6dc92cc6d981e1da7ce3ecf2160c28e

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