[Rspamd] Remove unwanted options after talking to Vsevo

data/conf/rspamd/local.d/options.inc

@@ -1,10 +1,9 @@
 dns {
   enable_dnssec = true;
 }
-map_watch_interval = 30s;
+map_watch_interval = 5min;
 dns {
   timeout = 4s;
   retransmits = 2;
 }
 disable_monitoring = true;
-full_gc_iters = 1;