Update README.md

Removed LAFF, changed Parallel Programming

Author: spamegg1

README.md

@@ -356,13 +356,12 @@ If not, or if a student chooses not to take the Capstone, then a separate Final
 
 Courses | Duration | Effort | Prerequisites
 :-- | :--: | :--: | :--:
-[Introduction to Parallel Programming](https://classroom.udacity.com/courses/cs344) ([alt](https://www.youtube.com/playlist?list=PLGvfHSgImk4aweyWlhBXNF6XISY3um82_)) ([HW](https://colab.research.google.com/github/depctg/udacity-cs344-colab))| 12 weeks | - | C, algorithms
+[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
 [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
 [Software Testing](https://www.udacity.com/course/software-testing--cs258) | 4 weeks | 6 hours/week | Python, programming experience
-[LAFF - On Programming for Correctness](https://www.edx.org/course/laff-on-programming-for-correctness) | 7 weeks | 6 hours/week | linear algebra
 [Software Architecture & Design](https://www.udacity.com/course/software-architecture-design--ud821)| 8 weeks | 6 hours/week | software engineering in Java
 
 ### Advanced systems