migration to Nantes univ repo

README.md

@@ -38,10 +38,9 @@ be installed, or some launch files should be modified to be adapted to your spec
    should creat
    a [symlink](https://summeridiot.wordpress.com/2013/01/20/use-symlink-to-link-the-library-to-usrlocalinclude/).
 
-6. Clone **recursively** the [PX4-Autopilot](https://gitlab.com/LS2NDronesARMEN/px4-autopilot) **outside of your ROS2
+6. Clone **recursively** the [PX4-Autopilot](https://gitlab.univ-nantes.fr/ls2n-drones/px4-autopilot) **outside of your ROS2
    workspace**. The repository is a fork from the original project [PX4-Autopilot](https://github.com/PX4/PX4-Autopilot)
-   including the LS2N drones models and configurations. You must use the ls2n-drone-simulation branch to work with
-   ls2n_drone_ros2 packages. Init and update submodules
+   including the LS2N drones models and configurations. Init and update submodules
    ```console
    git submodule init
    git submodule update