clear typescript warning

src/views/Login.vue

@@ -78,7 +78,7 @@ export default defineComponent({
   },
   mounted() {
     const param = new URLSearchParams(window.location.search);
-    const nextPath = param.get("next") ?? "/";
+    // const nextPath = param.get("next") ?? "/";
     this.error = param.get("error") == "true" ?? false;
   },
 });