Remove stale link, page is gone, I think its information was disorganized and...

Remove stale link, page is gone, I think its information was disorganized and out of date. We have envytools hwdocs now.

IntroductoryCourse.mdwn

@@ -42,7 +42,6 @@ The Direct Rendering Infrastructure, also known as the DRI, is a framework for a
 
 1. Gentle [[Introductory Course|https://github.com/pathscale/pscnv/wiki/Introductorycourse]] on Nvidia's Hardware with explanations of the basics as well 
 1. [[NouveauTerms|NouveauTerms]] - A list of terms specific to Nouveau 
-1. [[HonzaHavlicek|HonzaHavlicek]] - Collection of details about PFIFO, PGRATH, RAMIN, RAMFC, RAMHT, GPU context switching by Honza 
 1. [[riva128.txt|http://rivatv.sourceforge.net/stuff/riva128.txt]] 
      * Old document about a very old graphics card, but gives an idea how things used to work. 
 1. [[ContextSwitching|ContextSwitching]] What is context switching, why is it important, how does it work...