Add Fisher-Yates.

Author: trekhleb

README.md

@@ -35,7 +35,6 @@
   * [Euclidean Algorithm](https://github.com/trekhleb/javascript-algorithms/tree/master/src/algorithms/math/euclidean-algorithm) - calculate the greatest common divisor (GCD)
   * [Fisher–Yates Shuffle](https://github.com/trekhleb/javascript-algorithms/tree/master/src/algorithms/math/fisher-yates) - random permutation of a finite sequence
   * Collatz Conjecture algorithm
-  * Extended Euclidean algorithm
   * Greatest Difference
   * Least Common Multiple
   * Newton's square