Remove installation instructions from readme

README.md

@@ -15,27 +15,3 @@ using Symfony, we no longer recommend configuring doctrine/cache through this
 bundle. Instead, you should use symfony/cache for your cache needs. However, the
 deprecation does not extend to doctrine/cache, you'll be able to use those
 classes as you did so far.
-
-## Installation
-
-1. Add this bundle to your project as a composer dependency:
-
-  ```bash
-  composer require doctrine/doctrine-cache-bundle
-  ```
-
-2. Add this bundle in your application kernel:
-
-    ```php
-    // app/AppKernel.php
-    public function registerBundles()
-    {
-        // ...
-        $bundles[] = new \Doctrine\Bundle\DoctrineCacheBundle\DoctrineCacheBundle();
-
-        return $bundles;
-    }
-    ```
-
-Read the [documentation](https://www.doctrine-project.org/projects/doctrine-cache-bundle/en/stable/usage.html) to learn how to configure and
-use your own cache providers.