Move some build time checkings inside init.c for task #7142 "Sanity check user-configurable values".

src/core/snmp/msg_in.c

@@ -55,9 +55,6 @@ const s32_t snmp_version = 0;
 const char snmp_publiccommunity[7] = "public";
 
 /* statically allocated buffers for SNMP_CONCURRENT_REQUESTS */
-#if (SNMP_CONCURRENT_REQUESTS == 0)
-#error "need at least one snmp_msg_pstat"
-#endif
 struct snmp_msg_pstat msg_input_list[SNMP_CONCURRENT_REQUESTS];
 /* UDP Protocol Control Block */
 struct udp_pcb *snmp1_pcb = NULL;

src/core/snmp/msg_out.c

@@ -60,9 +60,6 @@ struct snmp_trap_dst
   /* set to 0 when disabled, >0 when enabled */
   u8_t enable;
 };
-#if (SNMP_TRAP_DESTINATIONS == 0)
-#error "need at least one trap destination"
-#endif
 struct snmp_trap_dst trap_dst[SNMP_TRAP_DESTINATIONS];
 
 /** TRAP message structure */