network: drop unused manager_send_changed()

src/network/networkd-manager-bus.c

@@ -29,11 +29,3 @@ int manager_send_changed_strv(Manager *manager, char **properties) {
                         "org.freedesktop.network1.Manager",
                         properties);
 }
-
-int manager_send_changed(Manager *manager, const char *property, ...) {
-        char **l;
-
-        l = strv_from_stdarg_alloca(property);
-
-        return manager_send_changed_strv(manager, l);
-}

src/network/networkd-manager.h

@@ -86,7 +86,6 @@ int manager_rtnl_process_route(sd_netlink *nl, sd_netlink_message *message, void
 int manager_rtnl_process_rule(sd_netlink *nl, sd_netlink_message *message, void *userdata);
 
 int manager_send_changed_strv(Manager *m, char **properties);
-int manager_send_changed(Manager *m, const char *property, ...) _sentinel_;
 void manager_dirty(Manager *m);
 
 int manager_address_pool_acquire(Manager *m, int family, unsigned prefixlen, union in_addr_union *found);