vty: skip installing cmds now always installed by default

Fixes following compilation warning:
osmo-pcap/src/osmo_client_vty.c:511:2: warning: ‘install_default’ is deprecated: Now happens implicitly with install_node() [-Wdeprecated-declarations]

Depends: libosmocore I5021c64a787b63314e0f2f1cba0b8fc7bff4f09b
Change-Id: I943f68dbafd7906313ad9e59f4adb289ae23cdec
diff --git a/src/osmo_client_vty.c b/src/osmo_client_vty.c
index 29f7051..e50099f 100644
--- a/src/osmo_client_vty.c
+++ b/src/osmo_client_vty.c
@@ -508,10 +508,8 @@
 {
 	install_element(CONFIG_NODE, &cfg_client_cmd);
 	install_node(&client_node, config_write_client);
-	install_default(CLIENT_NODE);
 
 	install_node(&server_node, config_write_server);
-	install_default(CLIENT_SERVER_NODE);
 
 	install_element(CLIENT_NODE, &cfg_client_device_cmd);
 	install_element(CLIENT_NODE, &cfg_client_filter_cmd);
diff --git a/src/osmo_server_vty.c b/src/osmo_server_vty.c
index b2919ae..d10ff51 100644
--- a/src/osmo_server_vty.c
+++ b/src/osmo_server_vty.c
@@ -506,7 +506,6 @@
 {
 	install_element(CONFIG_NODE, &cfg_server_cmd);
 	install_node(&server_node, config_write_server);
-	install_default(SERVER_NODE);
 
 	install_element(SERVER_NODE, &cfg_server_base_cmd);
 	install_element(SERVER_NODE, &cfg_server_ip_cmd);