Drop the service container class.

src/Netzmacht/Contao/Leaflet/DependencyInjection/LeafletServices.php

@@ -0,0 +1,28 @@
+<?php
+
+/**
+ * @package    netzmacht
+ * @author     David Molineus <david.molineus@netzmacht.de>
+ * @copyright  2016 netzmacht David Molineus. All rights reserved.
+ * @filesource
+ *
+ */
+
+namespace Netzmacht\Contao\Leaflet\DependencyInjection;
+
+use Netzmacht\Contao\Leaflet\Frontend\ValueFilter;
+
+/**
+ * Class LeafletServices describes services provided by the leaflet package.
+ *
+ * @package Netzmacht\Contao\Leaflet\DependencyInjection
+ */
+class LeafletServices
+{
+    /**
+     * Service name of the frontend value filter.
+     *
+     * @return ValueFilter
+     */
+    const FRONTEND_VALUE_FILTER = 'leaflet.frontend.value-filter';
+}