Use o seguinte comando:
nmcli connection delete connection_name
Para remover o Wired connection 1
:
nmcli connection delete "Wired connection 1"
ou pelo seu UUID:
nmcli connection delete d1b2ff35-4d72-3bd5-a8e2-d3d9fefce205
O man nmcli
:
CONNECTION MANAGEMENT COMMANDS
nmcli connection {show | up | down | modify | add | edit | clone |
delete | monitor | reload | load | import | export}
[ARGUMENTS...]