vty: drop unused function

Change-Id: I01f3773ca6a9b6d4e28ca2f59c944c6d48918dd1
diff --git a/src/pcu_vty.c b/src/pcu_vty.c
index dff331f..5c3f625 100644
--- a/src/pcu_vty.c
+++ b/src/pcu_vty.c
@@ -265,7 +265,7 @@
 		}
 	}
 
-	return pcu_vty_config_write_pcu_ext(vty);
+	return CMD_SUCCESS;
 }
 
 /* per-BTS configuration */
diff --git a/src/pcu_vty_functions.cpp b/src/pcu_vty_functions.cpp
index bb341f8..41165f3 100644
--- a/src/pcu_vty_functions.cpp
+++ b/src/pcu_vty_functions.cpp
@@ -34,11 +34,6 @@
 #include <osmocom/vty/misc.h>
 }
 
-int pcu_vty_config_write_pcu_ext(struct vty *vty)
-{
-	return CMD_SUCCESS;
-}
-
 static void tbf_print_vty_info(struct vty *vty, gprs_rlcmac_tbf *tbf)
 {
 	gprs_rlcmac_ul_tbf *ul_tbf = as_ul_tbf(tbf);
diff --git a/src/pcu_vty_functions.h b/src/pcu_vty_functions.h
index 35acf64..470df0e 100644
--- a/src/pcu_vty_functions.h
+++ b/src/pcu_vty_functions.h
@@ -27,7 +27,6 @@
 struct vty;
 struct gprs_rlcmac_bts;
 
-int pcu_vty_config_write_pcu_ext(struct vty *vty);
 int pcu_vty_show_tbf_all(struct vty *vty, struct gprs_rlcmac_bts *bts_data);
 int pcu_vty_show_ms_all(struct vty *vty, struct gprs_rlcmac_bts *bts_data);
 int pcu_vty_show_ms_by_tlli(struct vty *vty, struct gprs_rlcmac_bts *bts_data,