Remove not in use class `Icinga\Module\Monitoring\Environment.php`

doc/80-Upgrading.md

@@ -51,6 +51,7 @@ v2.6 to v2.8 requires to follow the instructions for v2.7 too.
 + `Icinga\Module\Migrate\Clicommands\DashboardCommand`
 + `Icinga\Web\Hook\TicketHook`: Use `Icinga\Application\Hook\TicketHook` instead.
 + `Icinga\Web\Hook\GrapherHook`: Use `Icinga\Application\Hook\GrapherHook` instead.
++ `Icinga\Module\Monitoring\Environment`: Not in use.
 
 * All the following deprecated js classes and methods are removed:
 

modules/monitoring/library/Monitoring/Environment.php

@@ -1,57 +0,0 @@
-<?php
-/* Icinga Web 2 | (c) 2013 Icinga Development Team | GPLv2+ */
-
-namespace Icinga\Module\Monitoring;
-
-class Environment
-{
-    protected static $envs = array(
-        'default' => array(
-            'backend'       => null,
-            'grapher'       => null,
-            'configBackend' => null,
-            'commandPipe'   => null,
-        )
-    );
-
-    public static function defaultName()
-    {
-        // TODO: Check session
-        reset(self::$envs);
-        return key(self::$envs);
-    }
-
-    protected static function config($env, $what)
-    {
-        return self::$config[self::getName($env)][$what];
-    }
-
-    protected static function getName($env)
-    {
-        return $env === null ? self::defaultName() : $env;
-    }
-
-    public static function backend($env = null)
-    {
-        return Backend::getInstance(self::config($env, 'backend'));
-    }
-
-    public static function grapher($env = null)
-    {
-        return Hook::createInstance('grapher', null, self::config($env, 'grapher'));
-    }
-
-    public static function configBackend($env = null)
-    {
-        return Hook::createInstance(
-            'configBackend',
-            null,
-            self::config($env, 'configBackend')
-        );
-    }
-
-    public static function commandPipe($env = null)
-    {
-        return CommandPipe::getInstance(self::config($env, 'commandPipe'));
-    }
-}