remove unused function

Author: aymkx

src/lib/IgnoreAssetsIntegration.ts

@@ -1,9 +1,4 @@
-import type {
-  AstroConfig,
-  AstroIntegration,
-  IntegrationResolvedRoute,
-  RedirectConfig,
-} from "astro";
+import type { AstroConfig, AstroIntegration, RedirectConfig } from "astro";
 import { glob } from "glob";
 import { extname } from "node:path";
 import { fileURLToPath } from "node:url";
@@ -60,16 +55,3 @@ async function enumerateAssets(
       : []
   );
 }
-
-function filterRoutes(
-  routes: IntegrationResolvedRoute[]
-): IntegrationResolvedRoute[] {
-  return routes.filter(
-    (route) =>
-      !(
-        route.type === "redirect" &&
-        typeof route.redirect === "object" &&
-        (route.redirect.status as number) === 410
-      )
-  );
-}