Update READMEs.

Author: trekhleb

README.md

@@ -32,9 +32,6 @@ the data.
     * [Binary Search Tree](https://github.com/trekhleb/javascript-algorithms/tree/master/src/data-structures/tree/binary-search-tree)
     * [AVL Tree](https://github.com/trekhleb/javascript-algorithms/tree/master/src/data-structures/tree/avl-tree)
     * [Red-Black Tree](https://github.com/trekhleb/javascript-algorithms/tree/master/src/data-structures/tree/red-black-tree)
-    * Suffix Tree
-    * Segment Tree or Interval Tree
-    * Binary Indexed Tree or Fenwick Tree
 * [Graph](https://github.com/trekhleb/javascript-algorithms/tree/master/src/data-structures/graph) (both directed and undirected)
 * [Disjoint Set](https://github.com/trekhleb/javascript-algorithms/tree/master/src/data-structures/disjoint-set)
 

README.zh-CN.md

@@ -25,10 +25,7 @@ _Read this in other languages:_
 * [树](https://github.com/trekhleb/javascript-algorithms/tree/master/src/data-structures/tree)
     * [二分查找](https://github.com/trekhleb/javascript-algorithms/tree/master/src/data-structures/tree/binary-search-tree)
     * [AVL 树](https://github.com/trekhleb/javascript-algorithms/tree/master/src/data-structures/tree/avl-tree)
-    * 红黑树
-    * 后缀树
-    * 线段树 或 间隔树
-    * 二叉索引树
+    * [红黑树](https://github.com/trekhleb/javascript-algorithms/tree/master/src/data-structures/tree/red-black-tree)
 * [图](https://github.com/trekhleb/javascript-algorithms/tree/master/src/data-structures/graph) (有向图与无向图)
 * [并查集](https://github.com/trekhleb/javascript-algorithms/tree/master/src/data-structures/disjoint-set)
 

README.zh-TW.md

@@ -24,10 +24,7 @@ _Read this in other languages:_
 * [Tree 樹](https://github.com/trekhleb/javascript-algorithms/tree/master/src/data-structures/tree)
   * [Binary Search Tree 二元搜尋樹](https://github.com/trekhleb/javascript-algorithms/tree/master/src/data-structures/tree/binary-search-tree)
   * [AVL Tree AVL樹](https://github.com/trekhleb/javascript-algorithms/tree/master/src/data-structures/tree/avl-tree)
-  * 紅黑樹
-  * 後綴樹
-  * 線段樹 或 間隔樹
-  * 樹狀數組或二叉索引樹
+  * [紅黑樹](https://github.com/trekhleb/javascript-algorithms/tree/master/src/data-structures/tree/red-black-tree)
 * [Graph 圖](https://github.com/trekhleb/javascript-algorithms/tree/master/src/data-structures/graph) (有向跟無向皆包含)
 * [Disjoint Set 互斥集](https://github.com/trekhleb/javascript-algorithms/tree/master/src/data-structures/disjoint-set)