forked from Imagelibrary/lwip
Remove snmp_init(), it is called by lwip_init(). Remove snmp_inc_sysuptime() and snmp_add_sysuptime(), they do not exist anymore, MIB2 is now using sys_now().
Remove snmp_init(), it is called by lwip_init(). Remove snmp_inc_sysuptime() and snmp_add_sysuptime(), they do not exist anymore, MIB2 is now using sys_now().