Make it into single statement.

Author: shemgp

src/Validation/Rules/DenyTrashed.php

@@ -30,9 +30,8 @@ public function isValid()
      */
     protected function isTrashed()
     {
-        if ($this->model) {
-            return method_exists($this->model, 'trashed') && $this->model->trashed();
-        }
-        return false;
+        return $this->model
+            ? method_exists($this->model, 'trashed') && $this->model->trashed()
+            : false;
     }
 }