Updating url

Author: jonas

README

@@ -17,9 +17,6 @@ revision of the book, ensure you have Mercurial installed on your
 system. Then issue any of the following commands from your command
 line:
 
-$ hg clone https://graph-theory-algorithms-book.googlecode.com/hg/ graph-theory
-$ hg clone http://graph-theory-algorithms-book.googlecode.com/hg/ graph-theory
-
 To compile a PDF version of the book, run the command
 
 $ make