Remove all mentions of Marmalade from the README

Author: bbatsov

README.md

@@ -14,12 +14,12 @@ and [Clojure for the Brave and the True](http://www.braveclojure.com/basic-emacs
 
 ## Installation
 
-Available on all major `package.el` community maintained repos -  [MELPA Stable][],
-[MELPA][] and [Marmalade][] repos.
+Available on the major `package.el` community maintained repos -
+[MELPA Stable][] and [MELPA][] repos.
 
-MELPA Stable and Marmalade are recommended as they have the latest stable version.
-MELPA has a development snapshot for users who don't mind breakage but
-don't want to run from a git checkout.
+MELPA Stable is the recommended repo as it has the latest stable
+version.  MELPA has a development snapshot for users who don't mind
+(infrequent) breakage but don't want to run from a git checkout.
 
 You can install `clojure-mode` using the following command:
 
@@ -207,7 +207,6 @@ Distributed under the GNU General Public License; type <kbd>C-h C-c</kbd> to vie
 [melpa-stable-badge]: http://stable.melpa.org/packages/clojure-mode-badge.svg
 [melpa-package]: http://melpa.org/#/clojure-mode
 [melpa-stable-package]: http://stable.melpa.org/#/clojure-mode
-[marmalade]: https://marmalade-repo.org
 [COPYING]: http://www.gnu.org/copyleft/gpl.html
 [badge-travis]: https://travis-ci.org/clojure-emacs/clojure-mode.svg?branch=master
 [travis]: https://travis-ci.org/clojure-emacs/clojure-mode