removed sponsors from README.md

README.md

@@ -93,17 +93,6 @@ Featured on [json.org](http://json.org).
 
 For useful Java utilities, check out [java-util](http://github.com/jdereg/java-util)
 ___
-### Sponsors
-[![Alt text](https://www.yourkit.com/images/yklogo.png "YourKit")](https://www.yourkit.com/.net/profiler/index.jsp)
-
-YourKit supports open source projects with its full-featured Java Profiler.
-YourKit, LLC is the creator of <a href="https://www.yourkit.com/java/profiler/index.jsp">YourKit Java Profiler</a>
-and <a href="https://www.yourkit.com/.net/profiler/index.jsp">YourKit .NET Profiler</a>,
-innovative and intelligent tools for profiling Java and .NET applications.
-
-<a href="https://www.jetbrains.com/idea/"><img alt="Intellij IDEA from JetBrains" src="https://s-media-cache-ak0.pinimg.com/236x/bd/f4/90/bdf49052dd79aa1e1fc2270a02ba783c.jpg" data-canonical-src="https://s-media-cache-ak0.pinimg.com/236x/bd/f4/90/bdf49052dd79aa1e1fc2270a02ba783c.jpg" width="100" height="100" /></a>
-**Intellij IDEA**
-___
 ### License
 ```
 Copyright (c) 2007 Cedar Software LLC.