Use twigs builtin filter to inline data urls, instead of a custom one.

src/Twig/DataInlinerExtension.php

@@ -1,40 +0,0 @@
-<?php
-/**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
- *
- * Copyright (C) 2019 - 2020 Jan Böhmer (https://github.com/jbtronics)
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published
- * by the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-namespace App\Twig;
-
-
-use Twig\Extension\AbstractExtension;
-use Twig\TwigFunction;
-
-class DataInlinerExtension extends AbstractExtension
-{
-    public function getFunctions()
-    {
-        return [
-            new TwigFunction('inlineData', [$this, 'inlineData'])
-        ];
-    }
-
-    public function inlineData(string $data, string $mime_type)
-    {
-        return 'data:' . $mime_type . ';base64,' . base64_encode($data);
-    }
-}