test: remove teardown

Author: Frederik Ring

tests/Jobs/PlatformStatsSummaryJobTest.php

@@ -35,13 +35,10 @@ protected function setUp(): void {
     }
 
     protected function tearDown(): void {
-        foreach ($this->wikis as $wiki) {
-            $wiki->wikiDb()->forceDelete();
-            $wiki->forceDelete();
-        }
-        foreach ($this->users as $user) {
-            $user->forceDelete();
-        }
+        Wiki::query()->delete();
+        User::query()->delete();
+        WikiManager::query()->delete();
+        WikiDb::query()->delete();
         parent::tearDown();
     }