Change installation method order

| Q             | A
| ------------- | ---
| Doc fix?      | yes
| New docs?     | no
| Applies to    | 2.4
| Fixed tickets |

Author: ifdattic

components/debug/introduction.rst

@@ -16,8 +16,8 @@ Installation
 
 You can install the component in many different ways:
 
-* Use the official Git repository (https://github.com/symfony/Debug);
 * :doc:`Install it via Composer </components/using_components>` (``symfony/debug`` on `Packagist`_).
+* Use the official Git repository (https://github.com/symfony/Debug);
 
 Usage
 -----