From 01d9fa41af551ac1409f1f762bb0309c4ea7897e Mon Sep 17 00:00:00 2001
From: liaogang <liaogang@baidu.com>
Date: Fri, 17 Mar 2017 15:15:07 +0800
Subject: [PATCH] Remove book submodule dir

---
 book | 1 -
 1 file changed, 1 deletion(-)
 delete mode 160000 book

diff --git a/book b/book
deleted file mode 160000
index 6e3875eb62..0000000000
--- a/book
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 6e3875eb62533de1f2c1088a477719eb57b9732c