compiler warning: bsc_vty: remove two unused vars

Added in recent commit 42def7205ba91df4bbb7e3240be0df8c26c2d63e
"Implement VTY configuration to control Early Classmark Sending"

Change-Id: Iaf640fa6e1f234f594fb8dc06f716d3d3e95eb2a
diff --git a/openbsc/src/libbsc/bsc_vty.c b/openbsc/src/libbsc/bsc_vty.c
index b28d4de..7d3b4af 100644
--- a/openbsc/src/libbsc/bsc_vty.c
+++ b/openbsc/src/libbsc/bsc_vty.c
@@ -2686,7 +2686,6 @@
 	"Early Classmark Sending is forbidden\n")
 {
 	struct gsm_bts *bts = vty->index;
-	int rc, type;
 
 	if (!strcmp(argv[0], "allowed"))
 		bts->early_classmark_allowed = true;