[BUGFIX] remove unused variables

Classes/Controller/FeatureController.php

@@ -44,7 +44,7 @@ class FeatureController extends \TYPO3\CMS\Extbase\Mvc\Controller\ActionControll
     public function listFeaturesAction()
     {
 
-        if ($this->settings['featurearea'] != "") {
+        if ($this->settings['featurearea'] != '') {
             $featureArea = $this->featureAreaRepository->findByUid((int)$this->settings['featurearea']);
             $this->view->assign('featureArea', $featureArea);
         }
@@ -62,7 +62,7 @@ class FeatureController extends \TYPO3\CMS\Extbase\Mvc\Controller\ActionControll
     {
         $features = [];
         $ids = explode(',', $this->settings['feature']);
-        foreach ($ids as $key => $id) {
+        foreach ($ids as $id) {
             $features[$id] = $this->featureRepository->findByUid((int)$id);
         }
         $this->view->assign('features', $features);
@@ -77,11 +77,10 @@ class FeatureController extends \TYPO3\CMS\Extbase\Mvc\Controller\ActionControll
     {
         $featureAreas = [];
         $ids = explode(',', $this->settings['featureArea']);
-        foreach ($ids as $key => $id) {
+        foreach ($ids as $id) {
             $featureAreas[$id] = $this->featureAreaRepository->findByUid((int)$id);
         }
         $this->view->assign('featureAreas', $featureAreas);
     }
 
-
 }