refactor: remove resolved topos db_url TODO

Topos uses Redis storage so the commented-out
db_url modparam is confirmed unneeded. Remove the
resolved TODO comment.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: Amygos

modules/kamailio/config/kamailio.cfg

@@ -145,7 +145,6 @@ modparam("pike", "reqs_density_per_unit", 50)
 # An IP is unblocked next occurrence of 'sampling_time_unit' that does not exceed 'reqs_density_per_unit'.
 # Keeping an IP in memory results in faster reaching of blocked state -- see the notes about the limits of getting to state 'blocked'.
 modparam("pike", "remove_latency", 4)
-//modparam("topos", "db_url", DBURL) TODO: check, if topos is in redis, unneeded
 modparam("ndb_redis", "server", NDB_REDIS_SERVER)
 modparam("topos", "storage", "redis")
 modparam("topos", "dialog_expire", 12600)