remove temporary hack in rearm_rto

net/ipv4/tcp_input.c

@@ -3179,9 +3179,11 @@ void tcp_rearm_rto(struct sock *sk)
             );
         ptcp_print_sock_skb(sk, skb, dbg);
 #endif
+#if 0
         // packets_out is non-zero due to dummies
         inet_csk_clear_xmit_timer(sk, ICSK_TIME_RETRANS);
         return;
+#endif
       } else if (!skb) {
         WARN_ON(!skb);
       } else {