deps: replace lru with schnellru (#1217)

* deps: replace lru with schnellru

* bring the peace to the galaxy

polkadot/node/network/dispute-distribution/src/receiver/mod.rs

@@ -15,7 +15,6 @@
 // along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
 
 use std::{
-	num::NonZeroUsize,
 	pin::Pin,
 	task::{Context, Poll},
 	time::Duration,
@@ -161,8 +160,7 @@ where
 	) -> Self {
 		let runtime = RuntimeInfo::new_with_config(runtime::Config {
 			keystore: None,
-			session_cache_lru_size: NonZeroUsize::new(DISPUTE_WINDOW.get() as usize)
-				.expect("Dispute window can not be 0; qed"),
+			session_cache_lru_size: DISPUTE_WINDOW.get(),
 		});
 		Self {
 			runtime,