Remove unnecessary properties and its getters/setters

refs #5525

modules/monitoring/application/forms/Config/Backend/EditBackendForm.php

@@ -14,72 +14,6 @@ use Icinga\Data\ResourceFactory;
  */
 class EditBackendForm extends Form
 {
-    /**
-     * Database resources to use instead of the one's from ResourceFactory (used for testing)
-     *
-     * @var array
-     */
-    protected $resources;
-
-    /**
-     * The Backend configuration to use for populating the form
-     *
-     * @var Zend_Config
-     */
-    protected $backend;
-
-    /**
-     * Set the configuration to be used for initial population of the form
-     *
-     * @param Zend_Form $config
-     */
-    public function setBackendConfiguration($config)
-    {
-        $this->backend = $config;
-    }
-
-    /**
-     * Set a custom array of resources to be used in this form instead of the ones from ResourceFactory
-     * (used for testing)
-     */
-    public function setResources($resources)
-    {
-        $this->resources = $resources;
-    }
-
-    /**
-     * Return content of the resources.ini or previously set resources for displaying in the database selection field
-     *
-     * @return array
-     */
-    public function getResources()
-    {
-        if ($this->resources === null) {
-            return ResourceFactory::getResourceConfigs()->toArray();
-        } else {
-            return $this->resources;
-        }
-    }
-
-    /**
-     * Return a list of all resources of the given type ready to be used as content for a select input
-     *
-     * @param   string  $type   The type of resources to return
-     *
-     * @return  array
-     */
-    protected function getResourcesByType($type)
-    {
-        $backends = array();
-        foreach ($this->getResources() as $name => $resource) {
-            if ($resource['type'] === $type) {
-                $backends[$name] = $name;
-            }
-        }
-
-        return $backends;
-    }
-
     /**
      * Create this form
      *