MINOR: quic: Useless test about datagram destination addresses

There is no reason to check if the peer has modified the destination
address of its connection.

May be backported to 2.7.
diff --git a/src/quic_conn.c b/src/quic_conn.c
index e3a8b46..72b8439 100644
--- a/src/quic_conn.c
+++ b/src/quic_conn.c
@@ -7406,8 +7406,7 @@
 		}
 
 		/* Detect QUIC connection migration. */
-		if (ipcmp(&qc->peer_addr, &dgram->saddr, 1) ||
-		    ipcmp(&qc->local_addr, &dgram->daddr, 1)) {
+		if (ipcmp(&qc->peer_addr, &dgram->saddr, 1)) {
 			if (qc_handle_conn_migration(qc, &dgram->saddr, &dgram->daddr)) {
 				/* Skip the entire datagram. */
 				TRACE_ERROR("error during connection migration, datagram dropped", QUIC_EV_CONN_LPKT, qc);