remove marmalade and tromey from package-archives

  see issue 47

Author: eschulte

starter-kit.org

@@ -284,9 +284,7 @@ interested in the actual code implementing the starter kit.
   #+begin_src emacs-lisp
     (setq package-archives
           '(("gnu"         . "http://elpa.gnu.org/packages/")
-            ("original"    . "http://tromey.com/elpa/")
             ("org"         . "http://orgmode.org/elpa/")
-            ("marmalade"   . "http://marmalade-repo.org/packages/")
             ("melpa"       . "http://melpa.milkbox.net/packages/")))
     (package-initialize)