Remove MsSQLKeywords

UPGRADE.md

 # Upgrade to 3.0
 
+## BC BREAK: Removed MsSQLKeywords class
+
+The `Doctrine\DBAL\Platforms\MsSQLKeywords` has been removed.
+Please use `Doctrine\DBAL\Platforms\SQLServerPlatform `instead.
+
 ## BC BREAK: Removed PDO DB2 driver
 
 This PDO-based IBM DB2 driver (built on top of pdo_ibm extension) has already been unsupported as of 2.5, it has now been now removed.

lib/Doctrine/DBAL/Platforms/Keywords/MsSQLKeywords.php

-<?php
-
-namespace Doctrine\DBAL\Platforms\Keywords;
-
-/**
- * MsSQL Keywordlist
- *
- * @deprecated Use SQLServerKeywords class instead.
- *
- * @link       www.doctrine-project.com
- */
-class MsSQLKeywords extends SQLServerKeywords
-{
-    /**
-     * {@inheritdoc}
-     */
-    public function getName()
-    {
-        return 'MsSQL';
-    }
-}