update common dont use overlay it is merged in upstream

common/flake.nix

@@ -4,8 +4,6 @@
     home-manager.url = "github:rycee/home-manager/release-25.05";
     ragenix.url = "github:yaxitech/ragenix";
     nix-flatpak.url = "github:gmodena/nix-flatpak/?ref=latest";
-
-    nixpkgs_opencode.url = "github:nixos/nixpkgs/pull/419604/head";
   };
 
   outputs =
@@ -13,7 +11,6 @@
       home-manager,
       ragenix,
       nix-flatpak,
-      nixpkgs_opencode,
       ...
     }:
     {
@@ -26,16 +23,6 @@
           }:
           {
             imports = [
-              (
-                { ... }:
-                {
-                  nixpkgs.overlays = [
-                    (final: prev: {
-                      opencode = nixpkgs_opencode.legacyPackages.${prev.system}.opencode;
-                    })
-                  ];
-                }
-              )
               home-manager.nixosModules.home-manager
               ragenix.nixosModules.age
               nix-flatpak.nixosModules.nix-flatpak