#3412420 - Remove "access block library" requirement fro block_content create.

core/modules/block_content/src/BlockContentAccessControlHandler.php

@@ -107,7 +107,6 @@ protected function checkAccess(EntityInterface $entity, $operation, AccountInter
   protected function checkCreateAccess(AccountInterface $account, array $context, $entity_bundle = NULL) {
     return AccessResult::allowedIfHasPermissions($account, [
       'create ' . $entity_bundle . ' block content',
-      'access block library',
     ])->orIf(AccessResult::allowedIfHasPermissions($account, [
       'administer block content',
     ]));