Remove unusued function def
Remove unusued function def

rdoering/readxl,NikhilMIT2013/readxl,rdoering/readxl,pozypakya/readxl,nvoron23/readxl,pozypakya/readxl,NikhilMIT2013/readxl,warnes/readxl,pozypakya/readxl,nvoron23/readxl,rdoering/readxl,warnes/readxl,nvoron23/readxl,warnes/readxl,NikhilMIT2013/readxl