nginx-docker-compose.yml: remove the "version" field

[macbre]

And remove version field from the nginx-docker-compose.yml file.

[macbre]

docker: Error response from daemon: failed to create task for container: failed to create shim task: OCI runtime create failed: runc create failed: unable to start container process: error during container init: error closing exec fds: get handle to /proc/thread-self/fd: unsafe procfs detected: openat2 fsmount:fscontext:proc/thread-self/fd/: function not implemented