fix: remove unused imports

src/routes/+page.svelte

@@ -1,8 +1,6 @@
 <script lang="ts">
     import SpaceCard from "$lib/components/SpaceCard.svelte";
     import defaultImg from "$lib/assets/study_space.png";
-    import { invalidate } from "$app/navigation";
-    import type { Table } from "$lib";
     import crossUrl from "$lib/assets/cross.svg";
     import Navbar from "$lib/components/Navbar.svelte";