fix(config) remove leftover of dashboard in the core

Signed-off-by: Benoit Mortier <benoit.mortier@fusiondirectory.org>

plugins/configuration/config/class_dashBoardConfig.inc

-<?php
-/*
-  This code is part of FusionDirectory (http://www.fusiondirectory.org/)
-  Copyright (C) 2013-2016 FusionDirectory
-
-  This program is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 2 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 General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with this program; if not, write to the Free Software
-  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
-*/
-
-class dashboardConfig extends multiPluginSection
-{
-  static function plInfo (): array
-  {
-    return [
-      'plShortName'     => _('Dashboard configuration'),
-      'plDescription'   => _('FusionDirectory dashboard plugin configuration'),
-      'plCategory'      => ['configuration'],
-      'plObjectClass'   => ['fdDashboardPluginConf'],
-      'plObjectType'    => ['smallConfig'],
-      'plPriority'      => 2,
-
-      'plProvidedAcls'  => parent::generatePlProvidedAcls(static::getAttributesInfo())
-    ];
-  }
-
-  static function getAttributesInfo (): array
-  {
-    return [
-      'systems' => [
-        'name'  => _('Dashboard name schema'),
-        'attrs' => [
-          new IntAttribute(
-            _('Number of digits'), _('Number of digits to use after prefix'),
-            'fdDashboardNumberOfDigit', FALSE,
-            1, 20, 3
-          ),
-          new SetAttribute(
-            new StringAttribute(
-              _('Prefixes'), _('Prefixes to be used for computer ids'),
-              'fdDashboardPrefix', TRUE
-            ),
-            ["PC"]
-          )
-        ]
-      ],
-      'users' => [
-        'name'  => _('Dashboard expired users'),
-        'attrs' => [
-          new IntAttribute(
-            _('Number of days'), _('Number of days before expiration needed for an account to show in the dashboard next expired accounts list'),
-            'fdDashboardExpiredAccountsDays', FALSE,
-            1, FALSE, 15
-          ),
-        ]
-      ],
-    ];
-  }
-}