[Rspamd] Fix groups

data/conf/rspamd/local.d/groups.conf

@@ -1,28 +1,28 @@
 symbols {
-  symbol "MAILCOW_AUTH" {
+  "MAILCOW_AUTH" {
     description = "mailcow authenticated";
     score = -20.0;
   }
-  symbol "CTYPE_MIXED_BOGUS" {
+  "CTYPE_MIXED_BOGUS" {
     score = 0.0;
   }
-  symbol "BAD_REP_POLICIES" {
+  "BAD_REP_POLICIES" {
     score = 2.5;
   }
 }
 
 group "MX" {
-  symbol "MX_INVALID" {
+  "MX_INVALID" {
     score = 0.5;
     description = "No connectable MX";
     one_shot = true;
   }
-  symbol "MX_MISSING" {
+  "MX_MISSING" {
     score = 2.0;
     description = "No MX record";
     one_shot = true;
   }
-  symbol "MX_GOOD" {
+  "MX_GOOD" {
     score = -0.01;
     description = "MX was ok";
     one_shot = true;