Remove outdated test

src/ShellCheck/Analytics.hs

@@ -3575,7 +3575,6 @@ prop_checkPipeToNowhere4 = verify checkPipeToNowhere "printf 'Lol' << eof\nlol\n
 prop_checkPipeToNowhere5 = verifyNot checkPipeToNowhere "echo foo | xargs du"
 prop_checkPipeToNowhere6 = verifyNot checkPipeToNowhere "ls | echo $(cat)"
 prop_checkPipeToNowhere7 = verifyNot checkPipeToNowhere "echo foo | var=$(cat) ls"
-prop_checkPipeToNowhere8 = verify checkPipeToNowhere "foo | true"
 prop_checkPipeToNowhere9 = verifyNot checkPipeToNowhere "mv -i f . < /dev/stdin"
 prop_checkPipeToNowhere10 = verify checkPipeToNowhere "ls > file | grep foo"
 prop_checkPipeToNowhere11 = verify checkPipeToNowhere "ls | grep foo < file"