use release tag for global release branch assignment

configuration.nix

@@ -224,13 +224,7 @@
   # Or disable the firewall altogether.
   networking.firewall.enable = true;
 
-  # Copy the NixOS configuration file and link it from the resulting system
-  # (/run/current-system/configuration.nix). This is useful in case you
-  # accidentally delete configuration.nix.
-  # system.copySystemConfiguration = true;
-
   # INITIAL system version
-  # CURRENT nixpkgs version = 25.05
   system.stateVersion = "24.11";
 
 }