message: Further simplify `debug_inspect_unspent_allowance()`
diff: @@ -11,7 +11,7 @@ use std::{
  };
  use prometheus::Counter;
  -use tokio::{runtime::Handle, sync::Mutex};
  +use tokio::sync::Mutex;
  use tracing::{error, trace};
  use casper_types::{EraId, PublicKey};
  @@ -114,17 +114,7 @@ impl Limiter {
  pub(super) fn debug_inspect_unspent_allowance(&self) -> Option<i64> {
  let resources = Arc::clone(&self.data.resources);
  -
  - thread::spawn(|| {
  - tokio::runtime::Runtime::new().map_or(None, |runtime| {
  - runtime.block_on(async {
  - Handle::current()
  - .spawn(async move { resources.lock().await.available })
  - .await
  - .ok()
  - })
  - })
  - })
  + thread::spawn(move || Some(resources.blocking_lock().available))
  .join()
  .unwrap_or(None)
  }
  