ci: fix lint and formatting issues

modules/Install/Controllers/InstallController.php

@@ -115,19 +115,13 @@ class InstallController extends Controller
         }
 
         try {
-            $db = db_connect();
-
             // Check if instance owner has been created, meaning install was completed
-            if (
-                $db->tableExists('users') &&
-                (new UserModel())->where('is_owner', true)
-                    ->first() !== null
-                ) {
+            if ((new UserModel())->where('is_owner', true)
+                ->first() !== null
+            ) {
                 // if so, show a 404 page
                 throw PageNotFoundException::forPageNotFound();
             }
-
-            /** @noRector */
         } catch (DatabaseException) {
             // Could not connect to the database
             // show database config view to fix value