commit 9baf9f520ef4b38bfd78c806a68d996cfbb254bb
Author: kgoel <kgweb1@gmail.com>
Date:   Tue May 28 21:27:31 2013 -0400

    Issue# 1978910 injected layout manager in services.yml

diff --git a/core/modules/layout/layout.services.yml b/core/modules/layout/layout.services.yml
index 149b237..469b31f 100644
--- a/core/modules/layout/layout.services.yml
+++ b/core/modules/layout/layout.services.yml
@@ -6,6 +6,4 @@ services:
     class: Drupal\layout\Access\LayoutAccessCheck
     tags:
       - { name: access_check }
-  layout.manager:
-    class: Drupal\layout\LayoutController
-    arguments: ['@layout_manager']   
+    arguments: ['@layout_manager']