remove not needed code standards ignore

Author: jalogut

lib/internal/Magento/Framework/Data/Collection.php

@@ -510,9 +510,7 @@ public function walk($callback, array $args = [])
                 $cb = $callback;
                 array_unshift($params, $item);
             }
-            //@codingStandardsIgnoreStart
             $results[$id] = call_user_func_array($cb, $params);
-            //@codingStandardsIgnoreEnd
         }
         return $results;
     }