[BUGFIX] Drop GROUP BY clause in Info > PageTS Config

The GROUP BY clause used in InfoPageTypoScriptConfigController's
`getOverviewOfPagesUsingTSConfig()` is dropped, as grouping by
a unique value doesn't make any sense.

Resolves: #87019
Related: #76484
Releases: master, 8.7
Change-Id: I0054064fb6f0bba9b65737bf323db364377bb4e6
Reviewed-on: https://review.typo3.org/58965
Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Markus Klein <markus.klein@typo3.org>
Tested-by: Markus Klein <markus.klein@typo3.org>

typo3/sysext/info_pagetsconfig/Classes/Controller/InfoPageTyposcriptConfigController.php

@@ -248,7 +248,6 @@ protected function getOverviewOfPagesUsingTSConfig()
                     $queryBuilder->createNamedParameter('', \PDO::PARAM_STR)
                 )
             )
-            ->groupBy('uid')
             ->execute();
 
         $pageArray = [];