DataView\Statussummary: Adjust how to handle filter columns

refs #9029

modules/monitoring/library/Monitoring/DataView/Statussummary.php

@@ -6,9 +6,7 @@ namespace Icinga\Module\Monitoring\DataView;
 class StatusSummary extends DataView
 {
     /**
-     * Retrieve columns provided by this view
+     * {@inheritdoc}
-     *
-     * @return array
      */
     public function getColumns()
     {
@@ -100,7 +98,7 @@ class StatusSummary extends DataView
     /**
      * {@inheritdoc}
      */
-    public function getFilterColumns()
+    public function getStaticFilterColumns()
     {
         return array(
             'host', 'host_alias', 'host_display_name', 'host_name',
@@ -109,18 +107,4 @@ class StatusSummary extends DataView
             'servicegroup', 'servicegroup_alias', 'servicegroup_name'
         );
     }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function isValidFilterTarget($column)
-    {
-        if ($column[0] === '_'
-            && preg_match('/^_(?:host|service)_/', $column)
-        ) {
-            return true;
-        } else {
-            return in_array($column, $this->getFilterColumns());
-        }
-    }
 }