Try to remove additional user

.github/workflows/ci.yml

@@ -163,7 +163,6 @@ jobs:
       - name: Start Docker container
         run: |
           echo ${{ secrets.DOCKER_TOKEN }} | docker login ghcr.io -u ${{ secrets.DOCKER_USERNAME }} --password-stdin
-          # We start the container with the user ID of the parent GH action user to avoid permission issues on volume.
           # For UE 5.4 we have to enable ipv6 to fix container startup issues. See https://github.com/adamrehn/ue4-docker/issues/357
           uid=$(id -u) # the GH action user ID
           gid=1000     # the ue4 group in the docker container
@@ -180,8 +179,6 @@ jobs:
             --network ip6net -p 80:80 \
             ghcr.io/epicgames/unreal-engine:dev-slim-${{ matrix.unreal }}.1
           docker logout ghcr.io
-          # Add the user so it has a home directory (needed for the pip cache later on)
-          docker exec --user root unreal useradd -u $uid -g $gid --create-home $user
           # Ensure CA certs are in the right directory (needed for running tests)
           docker exec --user root unreal bash -c "
             mkdir -p /etc/pki/tls/certs ;