Merge pull request #5384 from cakebaker/uucore_remove_commented_out_import

uucore: remove commented out import

src/uucore/src/lib/features/tokenize/sub.rs

@@ -18,7 +18,6 @@ use std::iter::Peekable;
 use std::process::exit;
 use std::slice::Iter;
 use std::str::Chars;
-// use std::collections::HashSet;
 
 use super::num_format::format_field::{FieldType, FormatField};
 use super::num_format::num_format;