chore: remove unused imports in js/app.js

Co-authored-by: PR0M3TH3AN <[email protected]>

js/app.js

@@ -25,8 +25,6 @@ import {
   DEFAULT_TRUSTED_SPAM_HIDE_THRESHOLD,
   FEED_TYPES,
 } from "./constants.js";
-import { attachHealthBadges } from "./gridHealth.js";
-import { attachUrlHealthBadges } from "./urlHealthObserver.js";
 import { updateVideoCardSourceVisibility } from "./utils/cardSourceVisibility.js";
 import { collectVideoTags } from "./utils/videoTags.js";
 import { normalizeHashtag } from "./utils/hashtagNormalization.js";