client-hydrogen: remove unrelated change (docker push)

roles/custom/matrix-client-hydrogen/tasks/setup_install.yml

@@ -39,7 +39,6 @@
           {{ devture_systemd_docker_base_host_command_docker }} build \
           -t "{{ matrix_client_hydrogen_docker_image }}" \
           -f Dockerfile \
-          --push \
           .
       environment:
         DOCKER_BUILDKIT: 1