Removed PBUF_STATS and related code from opt.h & msg_in.c

src/core/snmp/msg_in.c

@@ -121,9 +121,6 @@ snmp_ok_response(struct snmp_msg_pstat *msg_ps)
   if (err_ret == ERR_MEM)
   {
     /* serious memory problem, can't return tooBig */
-#if PBUF_STATS
-    LWIP_DEBUGF(SNMP_MSG_DEBUG, ("snmp_msg_event pbufs.used = %"U16_F"\n",lwip_stats.pbuf.used));
-#endif
   }
   else
   {

src/include/lwip/opt.h

@@ -533,10 +533,6 @@ a lot of data that needs to be copied, this should be set high. */
 #define MEMP_STATS                      1
 #endif
 
-#ifndef PBUF_STATS
-#define PBUF_STATS                      1
-#endif
-
 #ifndef SYS_STATS
 #define SYS_STATS                       1
 #endif