Remove wrong link

Author: Ardius

docs/index.md

@@ -89,7 +89,6 @@ Le Pyllole sono brevi e semplici spiegazioni relative al linguaggio Python 3.
         * [A Beginner's Python Tutorial](https://en.wikibooks.org/wiki/A_Beginner%27s_Python_Tutorial)
         * [Python 3 Module of the Week](https://pymotw.com)
         * [A Byte of Python](https://python.swaroopch.com/first_steps.html)
-        * [CodeCademy: Python](https://www.codecademy.com/learn/python)
 
 * ### Video Corsi e Tutorial
   * ITALIANO