[TOOLS] Fix errors pointed out by PHPStan level 4

components/LeftPanel/Controller/EditFeeds.php

@@ -119,7 +119,6 @@ class EditFeeds extends Controller
                     /** @var SubmitButton $remove_button */
                     $remove_button = $form->get($remove_id);
                     if ($remove_button->isClicked()) {
-                        // @phpstan-ignore-next-line -- Doesn't quite understand that _this_ $opts for the current $form_definitions does have 'data'
                         DB::remove(DB::getReference('feed', ['actor_id' => $user->getId(), 'url' => $opts['data']]));
                         DB::flush();
                         Cache::delete($key);