Merge pull request #7110 from uutils/printf-remove-allow-dead-code

printf: remove allow(dead_code) directive

src/uu/printf/src/printf.rs

@@ -2,9 +2,6 @@
 //
 // For the full copyright and license information, please view the LICENSE
 // file that was distributed with this source code.
-
-#![allow(dead_code)]
-
 use clap::{crate_version, Arg, ArgAction, Command};
 use std::io::stdout;
 use std::ops::ControlFlow;