doc(readme): no longer depends on event aggregator

Author: EisenbergEffect

README.md

@@ -12,7 +12,6 @@ This library is part of the [Aurelia](http://www.aurelia.io/) platform and conta
 * [aurelia-templating](https://github.com/aurelia/templating)
 * [aurelia-loader](https://github.com/aurelia/loader)
 * [aurelia-task-queue](https://github.com/aurelia/task-queue)
-* [aurelia-event-aggregator](https://github.com/aurelia/event-aggregator)
 * [aurelia-logging](https://github.com/aurelia/logging)
 
 ## Used By
@@ -75,4 +74,4 @@ To run the unit tests, first ensure that you have followed the steps above in or
 
 ## Contributing
 
-We'd love for you to contribute to our source code and to make this project even better than it is today! If this interests you, please begin by reading [our contributing guidelines](https://github.com/DurandalProject/about/blob/master/CONTRIBUTING.md). The contributing document will provide you with all the information you need to get started. Once you have read that, you will need to also [sign our CLA](http://goo.gl/forms/dI8QDDSyKR) before we can accepts a Pull Request from you. More information on the process is including in the [contributor's guide](https://github.com/DurandalProject/about/blob/master/CONTRIBUTING.md).
+We'd love for you to contribute to our source code and to make this project even better than it is today! If this interests you, please begin by reading [our contributing guidelines](https://github.com/DurandalProject/about/blob/master/CONTRIBUTING.md). The contributing document will provide you with all the information you need to get started. Once you have read that, you will need to also [sign our CLA](http://goo.gl/forms/dI8QDDSyKR) before we can accepts a Pull Request from you. More information on the process is including in the [contributor's guide](https://github.com/DurandalProject/about/blob/master/CONTRIBUTING.md).