voyager: cleanup postgres

hosts/voyager/services/postgres.nix

@@ -4,16 +4,10 @@
     enable = true;
     /* enableTCPIP = true; # Expose on the network */
     authentication = pkgs.lib.mkOverride 10 ''
-     local gitea all ident map=gitea-users
-     local vaultwarden all ident map=vaultwarden-users
      local all all trust
      host all all 127.0.0.1/32 trust
      host all all ::1/128 trust
     '';
-    identMap = ''
-      gitea-users gitea gitea
-      vaultwarden-users vaultwarden vaultwarden
-    '';
   };
 
   services.postgresqlBackup = {
@@ -23,7 +17,6 @@
     backupAll = true;
   };
 
-  
   environment.systemPackages = [ config.services.postgresql.package ];
 }