refactor: remove unused ImportMetaEnv interface from env.d.ts

src/env.d.ts

@@ -1,9 +1 @@
 /// <reference path="../.astro/types.d.ts" />
-interface ImportMetaEnv {
-	readonly DEFAULT_TITLE: string;
-	readonly DEFAULT_DESCRIPTION: string;
-}
-
-interface ImportMeta {
-	readonly env: ImportMetaEnv;
-}