remove redundant a11y/l10n-confusing pages label and set mnemonic widgets
remove redundant a11y/l10n-confusing pages label and set mnemonic widgets

Change-Id: I1773eaa2db904e1f7cec65bb294ff38e3ce06251

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