[Rspamd] Removed global ratelimit override

data/conf/rspamd/override.d/ratelimit.conf

@@ -1,11 +1,3 @@
-rates {
-    # Format: "1 / 1h" or "20 / 1m" etc. - global ratelimits are disabled by default
-    to = "100 / 1s";
-    to_ip = "100 / 1s";
-    to_ip_from = "100 / 1s";
-    bounce_to = "100 / 1h";
-    bounce_to_ip = "7 / 1m";
-}
 whitelisted_rcpts = "postmaster,mailer-daemon";
 max_rcpt = 25;
 custom_keywords = "/etc/rspamd/lua/ratelimit.lua";