Update uploading widget

svelte/src/home_page/HomePage.svelte

@@ -1,12 +1,9 @@
 <script>
 import Footer from "layout/Footer.svelte";
-import { drop_target } from "lib/DropTarget";
 import GetStarted from "./GetStarted.svelte";
 import Pricing from "./Pricing.svelte";
 import SubscriptionPlans from "layout/checkout/SubscriptionPlans.svelte";
 import NovaLogo from "util/NovaLogo.svelte";
-
-let upload_widget
 </script>
 
 <header class="logo_header">