Use required-features instead of required_multi_thread_feature!

Author: SpriteOvO

spdlog/benches/common/mod.rs

@@ -45,14 +45,6 @@ macro_rules! unavailable_bench {
     };
 }
 
-#[macro_export]
-macro_rules! required_multi_thread_feature {
-    () => {
-        #[cfg(not(feature = "multi-thread"))]
-        compile_error!("please rerun `cargo bench` with `--features multi-thread`");
-    };
-}
-
 #[macro_export]
 macro_rules! aggregate_bench_main {
     () => {

spdlog/benches/spdlog-rs/compare_with_cpp_spdlog_async.rs

@@ -17,8 +17,6 @@ use spdlog::{
 };
 use test::black_box;
 
-required_multi_thread_feature!();
-
 fn bench(
     policy: OverflowPolicy,
     file_name: &str,

spdlog/benches/spdlog-rs/spdlog_rs.rs

@@ -21,8 +21,6 @@ include!(concat!(
 ));
 use test_utils::*;
 
-required_multi_thread_feature!();
-
 enum Mode {
     Sync,
     Async,