Remove redundant `else`s

controllers/SiteController.php

@@ -61,11 +61,10 @@ class SiteController extends Controller
         $model = new LoginForm();
         if ($model->load(Yii::$app->request->post()) && $model->login()) {
             return $this->goBack();
-        } else {
-            return $this->render('login', [
-                'model' => $model,
-            ]);
         }
+        return $this->render('login', [
+            'model' => $model,
+        ]);
     }
 
     public function actionLogout()
@@ -82,11 +81,10 @@ class SiteController extends Controller
             Yii::$app->session->setFlash('contactFormSubmitted');
 
             return $this->refresh();
-        } else {
-            return $this->render('contact', [
-                'model' => $model,
-            ]);
         }
+        return $this->render('contact', [
+            'model' => $model,
+        ]);
     }
 
     public function actionAbout()