removed holdoff support, can be handled without persist mode outside lwIP

src/netif/ppp/auth.c

@@ -1306,7 +1306,9 @@ check_maxoctets(arg)
 	notice("Traffic limit reached. Limit: %u Used: %u", maxoctets, used);
 	status = EXIT_TRAFFIC_LIMIT;
 	lcp_close(0, "Traffic limit");
+#if 0 /* UNUSED */
 	need_holdoff = 0;
+#endif /* UNUSED */
     } else {
         TIMEOUT(check_maxoctets, NULL, maxoctets_timeout);
     }
@@ -1343,7 +1345,9 @@ check_idle(arg)
 	notice("Terminating connection due to lack of activity.");
 	status = EXIT_IDLE_TIMEOUT;
 	lcp_close(0, "Link inactive");
+#if 0 /* UNUSED */
 	need_holdoff = 0;
+#endif /* UNUSED */
     } else {
 	TIMEOUT(check_idle, NULL, tlim);
     }

src/netif/ppp/options.c

@@ -110,9 +110,9 @@ bool	demand = 0;		/* do dial-on-demand */
 char	*ipparam = NULL;	/* Extra parameter for ip up/down scripts */
 #endif
 int	idle_time_limit = 0;	/* Disconnect if idle for this many seconds */
+#if 0
 int	holdoff = 30;		/* # seconds to pause before reconnecting */
 bool	holdoff_specified;	/* true if a holdoff value has been given */
-#if 0
 int	log_to_fd = 1;		/* send log messages to this fd too */
 bool	log_default = 1;	/* log_to_fd is default (stdout) */
 int	maxfail = 10;		/* max # of unsuccessful connection attempts */

src/netif/ppp/ppp.c

@@ -155,7 +155,6 @@ int error_count;		/* # of times error() has been called */
 int unsuccess;			/* # unsuccessful connection attempts */
 int listen_time;		/* time to listen first (ms) */
 int status;			/* exit status for pppd */
-int need_holdoff;		/* need holdoff period before restarting */
 
 /* FIXME: outpacket_buf per PPP session */
 
@@ -364,7 +363,6 @@ int ppp_init(void) {
     unsuccess = 0;
     listen_time = 0;
     status = EXIT_OK;
-    need_holdoff = 1;
 #if PPP_STATS_SUPPORT
     link_stats_valid = 0;
 #endif /* PPP_STATS_SUPPORT */