Remove range names with external references regardless of cells.
Remove range names with external references regardless of cells.

Sometimes range names may contain external references but no sheet
cells reference that range names.  Even then, breaking the link
should remove those range names.

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