feat: remove orderBy line

Signed-off-by: Crisciany Souza <crisciany.souza@librecode.coop>

Author: Any97Cris

lib/Db/SignRequestMapper.php

@@ -474,9 +474,6 @@ public function getFilesToSearchProvider(IUser $user, string $fileName, int $lim
 
 		$qb = $this->getFilesAssociatedFilesWithMeQueryBuilder($user->getUID(), $filter, false, $sort);
 
-
-		$qb->orderBy('f.created_at', 'DESC');
-
 		$result = $qb->executeQuery();
 		$files = [];