Cleanup missing lang settings

src/components/general/InfoBox.vue

@@ -4,7 +4,7 @@
   </div>
 </template>
 
-<script setup>
+<script setup lang="ts">
 defineProps({
   hint: { type: String, required: true },
 });

src/views/Error404View.vue

@@ -8,7 +8,3 @@
     </p>
   </div>
 </template>
-
-<script setup lang="ts"></script>
-
-<style scoped></style>