sort: remove explicit enum values
sort: remove explicit enum values

kwantam/coreutils,Arcterus/coreutils,tempbottle/coreutils,jbcrail/coreutils,keunwoo/coreutils,kevgeniy/coreutils,tempbottle/coreutils,jbcrail/coreutils,uutils/coreutils,wimh/coreutils,uutils/coreutils,kwantam/coreutils,Heather/coreutils,Heather/coreutils,ebfe/coreutils,ebfe/coreutils,wimh/coreutils,keunwoo/coreutils,Arcterus/coreutils,kevgeniy/coreutils,uutils/coreutils