Delete some unneeded checking from export2.cxx
Delete some unneeded checking from export2.cxx

Change-Id: Ib41c81629fbc5a8bd709391091c2777d49f9d9c4

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