Remove old logo from README.

README.md

@@ -5,8 +5,6 @@
 [![Bake Status](https://secure.travis-ci.org/cakephp/cakephp.png?branch=master)](http://travis-ci.org/cakephp/cakephp)
 [![Code consistency](http://squizlabs.github.io/PHP_CodeSniffer/analysis/cakephp/cakephp/grade.svg)](http://squizlabs.github.io/PHP_CodeSniffer/analysis/cakephp/cakephp/)
 
-[![CakePHP](http://cakephp.org/img/cake-logo.png)](http://www.cakephp.org)
-
 CakePHP is a rapid development framework for PHP which uses commonly known design patterns like Active Record, Association Data Mapping, Front Controller and MVC.
 Our primary goal is to provide a structured framework that enables PHP users at all levels to rapidly develop robust web applications, without any loss to flexibility.