Fixes #1032: Remove dead link

Author: rexkerr

book/B-embedding-git/sections/jgit.asc

@@ -158,4 +158,3 @@ If you're interested and want to learn more, here's where to look for informatio
 * The official JGit API documentation can be found at http://www.eclipse.org/jgit/documentation/[].
   These are standard Javadoc, so your favorite JVM IDE will be able to install them locally, as well.
 * The JGit Cookbook at https://github.com/centic9/jgit-cookbook[] has many examples of how to do specific tasks with JGit.
-* There are several good resources pointed out at http://stackoverflow.com/questions/6861881[].