Remove meaningless code

Closes #3451602

core/lib/Drupal/Core/Access/AccessResult.php

@@ -319,7 +319,7 @@ public function orIf(AccessResultInterface $other) {
     }
     else {
       $result = static::neutral();
-      if (!$this->isNeutral() || ($this->getCacheMaxAge() === 0 && $other->isNeutral()) || ($this->getCacheMaxAge() !== 0 && $other instanceof CacheableDependencyInterface && $other->getCacheMaxAge() !== 0)) {
+      if ($this->getCacheMaxAge() === 0  || ($other instanceof CacheableDependencyInterface && $other->getCacheMaxAge() !== 0)) {
         $merge_other = TRUE;
       }