MT#55283 remove duplicate code

Change-Id: I4b2b5b2cd99e2e88ee96aeca66386bb6303868ad
(cherry picked from commit 6dfb2786c8)

daemon/call_interfaces.c

@@ -1058,8 +1058,6 @@ static void call_ng_flags_flags(struct sdp_ng_flags *out, str *s, void *dummy) {
 			out->inactive = 1;
 			break;
 		case CSH_LOOKUP("debug"):
-			out->debug = 1;
-			break;
 		case CSH_LOOKUP("debugging"):
 			out->debug = 1;
 			break;