optimize awaitable tiers

packages/website/src/core/awaitables/tiers.ts

@@ -2,9 +2,11 @@ import { times } from "lodash-es";
 import { api } from "../blitzkit/api";
 
 export const awaitableTiers = api.tankDefinitions().then((tankDefinitions) => {
-  const maxTier = Math.max(
-    ...Object.values(tankDefinitions.tanks).map((tank) => tank.tier),
-  );
+  let max = 0;
 
-  return times(maxTier, (index) => maxTier - index);
+  for (const tank of Object.values(tankDefinitions.tanks)) {
+    if (tank.tier > max) max = tank.tier;
+  }
+
+  return times(max, (index) => max - index);
 });