tests: remove unused comment
tests: remove unused comment

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