remove the unti-pattern demo -- multiple-layers

Author: dabeng

README.md

@@ -23,7 +23,7 @@ Unfortunately, it's long time not to see the update of jOrgChart. on the other h
 - Supports exporting chart as a picture or pdf document.
 - Supports pan and zoom.
 - Allows user to customize the internal structure for every node.
-- Users can adopt multiple solutions to build up a huge organization chart(please refer to multiple-layers or hybrid layout sections).
+- Users can adopt multiple solutions to build up a huge organization chart(please refer hybrid layout sections).
 - touch-enabled plugin for mobile device.
 
 ## CDN
@@ -119,10 +119,6 @@ That's where getHierarchy() comes in.
 
 It's a so easy task, we just need to append id or className property to node data.
 
-- [I want a multiple-layers chart](https://dabeng.github.io/OrgChart/multiple-layers.html)
-
-In fact, this is a wonderful solution to display a orgchart which includes a huge number of node data.
-
 - [I want a hybrid(horizontal + vertical) chart](https://dabeng.github.io/OrgChart/vertical-level.html)
 
 This feature is inspired by the issues([Aligning Children Vertical](https://github.com/dabeng/OrgChart/issues/46), [Hybrid(horizontal + vertical) OrgChart](https://github.com/dabeng/OrgChart/issues/61)). Thank [mfahadi](https://github.com/mfahadi) and [Destructrix](https://github.com/Destructrix) for their constructive suggestions:blush: Special thanks to [tedliang](https://github.com/tedliang) for his wonderful hybrid mode solution.

README.zh-cn.md

@@ -105,10 +105,6 @@ $ npm install orgchart
 
 我们只需要把css的样式与数据源中的id字段或css类字段关联起来就好。
 
-- [我想实现一个多层级（而非深度）的组织结构图](https://dabeng.github.io/OrgChart/multiple-layers.html)
-
-如果你的组织层级很多，二每个层级下的节点也很多，那么上面的方案可以采纳尝试。
-
 - [我想构造一个混合布局的（水平方向 + 垂直方向）组织结构图](https://dabeng.github.io/OrgChart/vertical-level.html)
 
 这个特性的灵感来源于这两个话题的讨论--[Aligning Children Vertical](https://github.com/dabeng/OrgChart/issues/46), [Hybrid(horizontal + vertical) OrgChart](https://github.com/dabeng/OrgChart/issues/61)。感谢[mfahadi](https://github.com/mfahadi)和[Destructrix](https://github.com/Destructrix)建设性的讨论:blush:尤其感谢[tedliang](https://github.com/tedliang)提供了非常棒的混合布局的解决方案。

README.zh-tw.md

@@ -105,10 +105,6 @@ $ npm install orgchart
 
 我們只需要把css的樣式與數據源中的id字段或css類字段關聯起來就好。
 
-- [我想實現一個多層級（而非深度）的組織結構圖](https://dabeng.github.io/OrgChart/multiple-layers.html)
-
-如果你的組織層級很多，二每個層級下的節點也很多，那麽上面的方案可以采納嘗試。
-
 - [我想構造一個混合布局的（水平方向 + 垂直方向）組織結構圖](https://dabeng.github.io/OrgChart/vertical-level.html)
 
 這個特性的靈感來源于這兩個話題的討論--[Aligning Children Vertical](https://github.com/dabeng/OrgChart/issues/46), [Hybrid(horizontal + vertical) OrgChart](https://github.com/dabeng/OrgChart/issues/61)。感謝[mfahadi](https://github.com/mfahadi)和[Destructrix](https://github.com/Destructrix)建設性的討論:blush:尤其感謝[tedliang](https://github.com/tedliang)提供了非常棒的混合布局的解決方案。

demo/index.html

@@ -130,7 +130,6 @@
     <li><a href="get-hierarchy.html" target="_blank">getHierarchy() method</a></li>
     <li><a href="integrate-map.html" target="_blank">itegrate orgchart with map info</a></li>
     <li><a href="local-datasource.html" target="_blank">local datasource</a></li>
-    <li><a href="multiple-layers.html" target="_blank">multiple-layers chart</a></li>
     <li><a href="ondemand-loading-data.html" target="_blank">load data on-demand</a></li>
     <li><a href="option-createNode.html" target="_blank">createNode callback</a></li>
     <li><a href="pan-zoom.html" target="_blank">pan and zoom the chart</a></li>