remove outdated restconf stuff

api/cmd/cocsn-server/main.go

api/models/data.go

api/models/data_cocsn_interfaces.go

api/models/data_cocsn_interfaces_interface_interface_name.go

...rfaces_interface_interface_name_addresses_addresses_id.go

...data_cocsn_interfaces_interface_interface_name_enabled.go

...ls/data_cocsn_interfaces_interface_interface_name_name.go

..._cocsn_interfaces_interface_interface_name_oper_status.go

...cocsn_interfaces_interface_interface_name_phys_address.go

api/models/data_cocsn_interfaces_post.go

api/models/data_cocsn_routes.go

api/models/data_cocsn_routes_post.go

api/models/data_cocsn_routes_route_route_destination.go

.../data_cocsn_routes_route_route_destination_destination.go

...odels/data_cocsn_routes_route_route_destination_expire.go

...models/data_cocsn_routes_route_route_destination_flags.go

...dels/data_cocsn_routes_route_route_destination_gateway.go

...ls/data_cocsn_routes_route_route_destination_interface.go

api/models/data_post.go

api/models/data_put_patch.go