Revert "Merge branch 'nvidia-docker_debian11' into 'master'"

This reverts commit ba3db175, reversing
changes made to ed35ace2.

bin/g5k-setup-nvidia-docker

@@ -28,20 +28,9 @@ def main
     # (probably because it exists on ubuntu)
     ret &= sh('sudo ln -s /sbin/ldconfig /sbin/ldconfig.real').first
   else
-    distrib_codename = `lsb_release -cs`.strip
-    # Workaround: use Debian 10 image if Debian 11 host (cf. Bug #13532)
-    if distrib_codename == 'bullseye'
-      ret &= sh('curl -s -L https://nvidia.github.io/nvidia-docker/debian10/nvidia-docker.list | sudo tee /etc/apt/sources.list.d/nvidia-docker.list').first
-      puts "Warning: As Nvidia Docker Debian 11 image is not currently released, Nvidia Docker Debian 10 image is used !"
-    else
-      ret &= sh('. /etc/os-release; curl -s -L https://nvidia.github.io/nvidia-docker/$ID$VERSION_ID/nvidia-docker.list | sudo tee /etc/apt/sources.list.d/nvidia-docker.list').first
-    end
+    ret &= sh('. /etc/os-release; curl -s -L https://nvidia.github.io/nvidia-docker/$ID$VERSION_ID/nvidia-docker.list | sudo tee /etc/apt/sources.list.d/nvidia-docker.list').first
   end
   ret &= sh('sudo apt-get update && sudo apt-get install -y nvidia-container-toolkit').first
-  # Workaround if Debian 11 host (cf. Bug #13532)
-  if distrib_codename == 'bullseye'
-    ret &= sh('sudo sed -i \'s|^#ldconfig.*|ldconfig = "/sbin/ldconfig"|\' /etc/nvidia-container-runtime/config.toml').first
-  end
   ret &= sh('sudo systemctl restart docker').first
   ret &= sh('sudo chmod o+rw /var/run/docker.sock').first if !options[:install]
   ret