wc: drop #[allow(clippy::question_mark)]

Author: oech3

src/uu/wc/src/count_fast.rs

@@ -52,7 +52,6 @@ fn count_bytes_using_splice(fd: &impl AsFd) -> Result<usize, usize> {
             Ok(res) => {
                 byte_count += res;
                 // Silent the warning as we want to the error message
-                #[allow(clippy::question_mark)]
                 if splice_exact(&pipe_rd, &null_file, res).is_err() {
                     return Err(byte_count);
                 }