Drop realworld.html page

Author: marijnh

doc/realworld.html

@@ -128,14 +128,7 @@ <h2>Features</h2>
   <h2>Community</h2>
 
   <p>CodeMirror is an open-source project shared under
-  an <a href="LICENSE">MIT license</a>. It is the editor used in the
-  dev tools for
-  <a href="https://hacks.mozilla.org/2013/11/firefox-developer-tools-episode-27-edit-as-html-codemirror-more/">Firefox</a>,
-  <a href="https://developers.google.com/chrome-developer-tools/">Chrome</a>,
-  and <a href="https://developer.apple.com/safari/tools/">Safari</a>, in <a href="http://www.lighttable.com/">Light
-  Table</a>, <a href="http://brackets.io/">Adobe
-  Brackets</a>, <a href="http://blog.bitbucket.org/2013/05/14/edit-your-code-in-the-cloud-with-bitbucket/">Bitbucket</a>,
-  and <a href="doc/realworld.html">many other projects</a>.</p>
+  an <a href="LICENSE">MIT license</a>.</p>
 
   <p>Development and bug tracking happens
   on <a href="https://github.com/codemirror/CodeMirror/">github</a>