Remove unecessary patch

lib/classes/patch/383alpha4a.php

@@ -1,97 +0,0 @@
-<?php
-
-/*
- * This file is part of Phraseanet
- *
- * (c) 2005-2015 Alchemy
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
-use Alchemy\Phrasea\Application;
-use Doctrine\ORM\Query\ResultSetMapping;
-
-class patch_383alpha4a implements patchInterface
-{
-    /** @var string */
-    private $release = '3.8.3-alpha.4';
-
-    /** @var array */
-    private $concern = array(base::APPLICATION_BOX);
-
-    /**
-     * {@inheritdoc}
-     */
-    public function get_release()
-    {
-        return $this->release;
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function require_all_upgrades()
-    {
-        return false;
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function concern()
-    {
-        return $this->concern;
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function apply(base $appbox, Application $app)
-    {
-        $em = $app['EM'];
-        $mappingFieldType = $mappingFieldResult = new ResultSetMapping();
-
-        $rs = $em->createNativeQuery(
-            "SHOW FIELDS FROM usr WHERE Field = 'usr_login';",
-            $mappingFieldType->addScalarResult('Type', 'Type')
-        )->getSingleResult();
-
-        if (0 !== strpos(strtolower($rs['Type']), 'varbinary')) {
-            return;
-        }
-
-        // As 'usr_login' field type is varbinary it can contain any charset (utf8 or latin1).
-        // Compare usr_login to usr_login converted to utf8>utf32>utf8
-        // will detect broken char for latin1 encoded string.
-        // Then detected 'usr_login' fields  must be converted from latin1 to utf8.
-        $rs = $em->createNativeQuery(
-            'SELECT t.usr_id, t.login_utf8 FROM (
-                SELECT usr_id,
-                usr_login AS login_unknown_charset,
-                CONVERT(CAST(usr_login AS CHAR CHARACTER SET latin1) USING utf8) AS login_utf8,
-                CONVERT(CONVERT(CAST(usr_login AS CHAR CHARACTER SET utf8) USING utf32) USING utf8) AS login_utf8_utf32_utf8
-                FROM usr
-            ) AS t
-            WHERE t.login_utf8_utf32_utf8 != t.login_unknown_charset',
-            $mappingFieldResult->addScalarResult('usr_id', 'usr_id')->addScalarResult('login_utf8', 'login_utf8')
-        )->getResult();
-
-        foreach ($rs as $row) {
-            $em->getConnection()->executeQuery(sprintf('UPDATE usr SET usr_login="%s" WHERE usr_id=%d', $row['login_utf8'], $row['usr_id']));
-        }
-
-        foreach (array(
-                     // drop index
-                     "ALTER TABLE usr DROP INDEX usr_login;",
-                     // change field type
-                     "ALTER TABLE usr MODIFY usr_login VARCHAR(128) CHARACTER SET utf8 COLLATE utf8_bin;",
-                     // recreate index
-                     "CREATE UNIQUE INDEX usr_login ON usr (usr_login);"
-                 ) as $sql) {
-            $em->getConnection()->executeQuery($sql);
-        }
-
-        return true;
-    }
-}