Remove duplicate library Dissect.

README.md

 * [UBench](https://github.com/devster/ubench) - A simple micro benchmark library.
 * [Athletic](https://github.com/polyfractal/athletic) - An annotation based benchmark framework.
 * [Mondrian](https://github.com/Trismegiste/Mondrian) - A code analysis tool using Graph Theory.
-* [Dissect](https://github.com/jakubledl/dissect) - A set of tools for lexical and syntactical analysis.
 * [PHP Debug Bar](http://phpdebugbar.com/) - A debugging toolbar.
 * [PHP Console](https://github.com/Seldaek/php-console) - A web debugging console.
 * [PHPDBG](http://phpdbg.com/) - An interactive PHP debugger.