Update README.md

Author: williamfiset

README.md

@@ -85,7 +85,6 @@ or
     * [Fenwick Tree (range query, point updates)](https://github.com/williamfiset/algorithms/tree/master/src/main/java/com/williamfiset/algorithms/datastructures/fenwicktree/FenwickTreeRangeQueryPointUpdate.java)
     * [Fenwick Tree (range update, point query)](https://github.com/williamfiset/algorithms/tree/master/src/main/java/com/williamfiset/algorithms/datastructures/fenwicktree/FenwickTreeRangeUpdatePointQuery.java)
 * [Fibonacci Heap](https://github.com/williamfiset/algorithms/tree/master/src/main/java/com/williamfiset/algorithms/datastructures/fibonacciheap)
-* [Set](https://github.com/williamfiset/algorithms/tree/master/src/main/java/com/williamfiset/algorithms/datastructures/set)
 * [:movie_camera:](https://www.youtube.com/watch?v=2E54GqF0H4s)[Hashtable](https://github.com/williamfiset/algorithms/tree/master/src/main/java/com/williamfiset/algorithms/datastructures/hashtable)
     * [Hashtable (double hashing)](https://github.com/williamfiset/algorithms/tree/master/src/main/java/com/williamfiset/algorithms/datastructures/hashtable/HashTableDoubleHashing.java)
     * [Hashtable (linear probing)](https://github.com/williamfiset/algorithms/tree/master/src/main/java/com/williamfiset/algorithms/datastructures/hashtable/HashTableLinearProbing.java)