svelte-migrate: updated files

ui/src/routes/grades/[promo]/+page.js

@@ -0,0 +1,5 @@
+export async function load({ params }) {
+  return {
+    promo: params.promo,
+  };
+}

ui/src/routes/grades/[promo]/+page.svelte

@@ -1,17 +1,7 @@
-<script context="module">
- export async function load({ params }) {
-     return {
-         props: {
-             promo: params.promo,
-         }
-     };
- }
-</script>
-
 <script>
  import StudentGrades from '$lib/components/StudentGrades.svelte';
 
- export let promo;
+ export let data;
 </script>
 
-<StudentGrades {promo} />
+<StudentGrades promo={data.promo} />