remove unnecessary explicit namespaces
remove unnecessary explicit namespaces

Change-Id: Idb6bf5704a3b569ae4ae19d35526f19528ab63a6

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