remove redundant comment

kamailio/extra-traffic-filter-role.cfg

@@ -20,9 +20,6 @@
 #!substdef "!ETFR_SUBST_BAN_DURATION!$def(ETFR_BAN_DURATION)!g"
 modparam("htable", "htable", "etfr_banned_ips=>size=8;autoexpire=ETFR_SUBST_BAN_DURATION")
 
-# Main Request Route Enhancements
-# Place this code at the appropriate place in your main request_route
-
 route[EXTRA_FILTER_REQUEST] {
     # Check if the source IP is banned
     if ($sht(etfr_banned_ips=>$si)) {