Remove dead link.

Resolves ossu#795

README.md

@@ -353,7 +353,7 @@ If not, or if a student chooses not to take the Capstone, then a separate Final
 Courses | Duration | Effort | Prerequisites
 :-- | :--: | :--: | :--:
 [Parallel Programming](https://www.coursera.org/learn/parprog1)| 4 weeks | 6-8 hours/week | Scala programming
-[Compilers](https://www.edx.org/course/compilers) ([alt](https://www.youtube.com/playlist?list=PLDcmCgguL9rxPoVn2ykUFc8TOpLyDU5gx))| 9 weeks | 6-8 hours/week | none
+[Compilers](https://www.edx.org/course/compilers) | 9 weeks | 6-8 hours/week | none
 [Introduction to Haskell](https://www.seas.upenn.edu/~cis194/fall16/)| 14 weeks | - | -
 [Learn Prolog Now!](http://lpn.swi-prolog.org/lpnpage.php?pageid=top)| 12 weeks | - | -
 [Software Debugging](https://www.udacity.com/course/software-debugging--cs259)| 8 weeks | 6 hours/week | Python, object-oriented programming