Update policies_group.conf

data/conf/rspamd/local.d/policies_group.conf

@@ -17,16 +17,13 @@ symbols = {
     "DMARC_POLICY_REJECT" {
         weight = 20.0;
         description = "DMARC reject policy";
-        groups = ["dmarc"];
     }
     "DMARC_POLICY_QUARANTINE" {
         weight = 10.0;
         description = "DMARC quarantine policy";
-        groups = ["dmarc"];
     }
     "DMARC_POLICY_SOFTFAIL" {
         weight = 2.0;
         description = "DMARC failed";
-        groups = ["dmarc"];
     }
 }