Fixed bug -- incorrect parameter processing.

module/VuFind/src/VuFind/Recommend/ExpandFacets.php

@@ -104,8 +104,7 @@ class ExpandFacets implements RecommendInterface
         // Parse the additional settings:
         $settings = explode(':', $settings);
         $mainSection = empty($settings[0]) ? 'Results' : $settings[0];
-        $checkboxSection = isset($settings[1]) ? $settings[1] : false;
-        $iniName = isset($settings[2]) ? $settings[2] : 'facets';
+        $iniName = isset($settings[1]) ? $settings[1] : 'facets';
 
         // Load the desired facet information...
         $config = $this->configLoader->get($iniName);