Bluetooth: Remove set of SrejSaveReqSeq under receipt of REJ frame

That action is not specified by the ERTM spec, so removing it.
Signed-off-by: NGustavo F. Padovan <padovan@profusion.mobi>
Reviewed-by: NJoão Paulo Rechi Vita <jprvita@profusion.mobi>
Signed-off-by: NMarcel Holtmann <marcel@holtmann.org>

net/bluetooth/l2cap.c

@@ -3670,10 +3670,8 @@ static inline void l2cap_data_channel_rejframe(struct sock *sk, u16 rx_control)
 		pi->next_tx_seq = pi->expected_ack_seq;
 		l2cap_ertm_send(sk);
 
-		if (pi->conn_state & L2CAP_CONN_WAIT_F) {
-			pi->srej_save_reqseq = tx_seq;
+		if (pi->conn_state & L2CAP_CONN_WAIT_F)
 			pi->conn_state |= L2CAP_CONN_REJ_ACT;
-		}
 	}
 }
 static inline void l2cap_data_channel_srejframe(struct sock *sk, u16 rx_control)