Stop the Docker daemon, restart the docker socket and start the docker daemon
systemctl stop docker systemctl restart docker.socket systemctl start docker
Somehow you could also create a socket file manually, but I don’t think that would be automatically used even with the same name.
Stopping Docker is important before restarting the socket, otherwise the socket will be used even though that is not on the filesystem anymore, and a new folder would be created with the same name which you have to delete manually. I know this because I tried, but I’m not saying I understand why.