Update free-courses-en.md (#3211)

Course is depreciated

free-courses-en.md

@@ -71,7 +71,6 @@
 
 ### Android
 
-* [Creative, Serious and Playful Science of Android Apps](https://www.coursera.org/course/androidapps101/)
 * [Learn how to program: Android](https://www.learnhowtoprogram.com/android) - Epicodus Inc.
 * [Material design](https://material.io/guidelines/)
 * [Programming Cloud Services for Android Handheld Systems](https://www.coursera.org/course/mobilecloudprogram)