remove unused functions in benchmarks

Author: Dr-Emann

benches/benchmarks.rs

@@ -1,7 +1,6 @@
 use criterion::{criterion_group, criterion_main, Criterion, Throughput};
 use jetscii::{ascii_chars, AsciiCharsConst, SubstringConst};
 use std::hint::black_box;
-use std::sync::OnceLock;
 
 static SPACE: AsciiCharsConst = ascii_chars!(' ');
 static XML_DELIM_3: AsciiCharsConst = ascii_chars!('<', '>', '&');
@@ -183,16 +182,6 @@ fn big_16(c: &mut Criterion) {
     });
 }
 
-fn memchr_finder() -> &'static memchr::memmem::Finder<'static> {
-    static FINDER: OnceLock<memchr::memmem::Finder> = OnceLock::new();
-    FINDER.get_or_init(|| memchr::memmem::Finder::new("xyzzy"))
-}
-
-fn substring() -> &'static SubstringConst {
-    static SUBSTRING: OnceLock<SubstringConst> = OnceLock::new();
-    SUBSTRING.get_or_init(|| SubstringConst::new("xyzzy"))
-}
-
 fn substr(c: &mut Criterion) {
     let mut haystack = prefix_string();
     haystack.push_str("xyzzy");