Fix readme and documentation

Author: enumag

docs/index.md

@@ -10,7 +10,7 @@ Installation
 The best way to install Arachne/EntityLoader is using [Composer](http://getcomposer.org/).
 
 ```sh
-$ composer require arachne/entity-loader arachne/event-dispatcher
+$ composer require arachne/entity-loader
 ```
 
 Now you need to register the necessary extensions using your [neon](http://ne-on.org/) config file.
@@ -24,8 +24,6 @@ extensions:
     - Arachne\EntityLoader\DI\EntityLoaderExtension
 ```
 
-Alternatively you can use kdyby/events instead of arachne/event-dispatcher.
-
 Add the `Arachne\EntityLoader\Application\EntityLoaderPresenterTrait` to your BasePresenter. It overrides the storeRequest & restoreRequest methods to make them work with object parameters.
 
 ```php

readme.md

@@ -17,7 +17,7 @@ Installation
 The best way to install Arachne/EntityLoader is using [Composer](http://getcomposer.org/):
 
 ```sh
-$ composer require arachne/entity-loader arachne/event-dispatcher
+$ composer require arachne/entity-loader
 ```